{"id":12858,"date":"2023-08-01T02:22:43","date_gmt":"2023-08-01T02:22:43","guid":{"rendered":"https:\/\/staging.rayzeek.com\/?p=12858"},"modified":"2023-12-26T08:35:57","modified_gmt":"2023-12-26T08:35:57","slug":"what-is-cosine-law","status":"publish","type":"post","link":"https:\/\/staging.rayzeek.com\/zh_hk\/%e8%a9%9e%e5%bd%99%e8%a1%a8\/what-is-cosine-law\/","title":{"rendered":"What is Cosine Law"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-cosine-law\">What is Cosine Law<\/h2>\n\n\n<p class=\"wp-block-paragraph\">The cosine law, also known as Lambert&#8217;s cosine law or the cosine emission law, is a fundamental principle in the lighting industry. It states that the radiant intensity from an ideal diffusely reflecting surface is directly proportional to the cosine of the angle between the direction of incident light and the surface normal. This law, named after Johann Heinrich Lambert, is studied in optics and plays a crucial role in understanding how light is distributed and how it affects the illumination of a surface.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The cosine law of illumination is used to calculate the illuminance (or irradiance) on a surface based on the angle of incidence. It provides a mathematical relationship that determines the amount of light falling on a surface by considering the angle at which the light hits the surface. By optimizing the placement and direction of light sources, lighting designers and engineers can achieve the desired illumination levels and uniformity on a surface.<\/p>\n<div class=\"insert_product_cards_outer_wrapper\"><h3>\u60a8\u53ef\u80fd\u4e5f\u6703\u611f\u8208\u8da3<\/h3><div class=\"swiper insert_product_cards_wrapper\"><div class=\"swiper-wrapper\"><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz053\/\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/07\/rz050.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/07\/rz050.jpg 1200w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/07\/rz050-1024x1024.jpg 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/07\/rz050-300x300.jpg 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/07\/rz050-768x768.jpg 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/07\/rz050-150x150.jpg 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/07\/rz050-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/07\/rz050-100x100.jpg 100w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz053\/\">RZ053<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz053\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz052\/\"><div class = \"insert_product_card_image\"><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz052\/\">RZ052<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz052\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz051\/\"><div class = \"insert_product_card_image\"><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz051\/\">RZ051<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz051\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz037-%e4%b9%be%e6%8e%a5%e9%bb%9e\/\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"1080\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg 1080w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-1024x1024.jpg 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-300x300.jpg 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-768x768.jpg 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-150x150.jpg 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-100x100.jpg 100w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz037-%e4%b9%be%e6%8e%a5%e9%bb%9e\/\">RZ037-DRY \u5438\u9802\u5f0f PIR \u4eba\u9ad4\u611f\u61c9\u5668\uff08\u914d\u5099\u4e7e\u89f8\u9ede\u7e7c\u96fb\u5668\uff09<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>\u5438\u9802\u5f0f PIR \u4eba\u9ad4\u611f\u61c9\u5668\uff0c\u914d\u5099\u4e7e\u89f8\u9ede\u7e7c\u96fb\u5668\u8f38\u51fa<\/li><li>12\/24VDC \u6216 12\/24VAC \u4f4e\u96fb\u58d3\u4f9b\u96fb<\/li><li>\u7528\u65bc EMS\u3001HVAC \u548c\u5efa\u7bc9\u63a7\u5236\u8f38\u5165\u7684 COM\u3001NO \u548c NC \u9694\u96e2\u7e7c\u96fb\u5668\u89f8\u9ede<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz037-%e4%b9%be%e6%8e%a5%e9%bb%9e\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz048-12v-24v\/\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ048 \u5d4c\u5165\u5f0f\u5929\u82b1\u5fae\u6ce2\u611f\u61c9\u5668\u7522\u54c1\u5716\u7247\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean.jpg 1200w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-1024x1024.jpg 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-300x300.jpg 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-768x768.jpg 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-150x150.jpg 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-100x100.jpg 100w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz048-12v-24v\/\">RZ048 12V\/24V 360\u5ea6\u5d4c\u5165\u5f0f\u5929\u82b1\u5fae\u6ce2\u4eba\u9ad4\u611f\u61c9\u958b\u95dc<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>\u4f4e\u58d3\u76f4\u6d41\u5d4c\u5165\u5f0f\u5929\u82b1\u5b89\u88dd\u5fae\u6ce2\u4eba\u9ad4\u611f\u61c9\u958b\u95dc<\/li><li>12 VDC \/ 24 VDC \u8f38\u5165\uff0c\u652f\u63f4 10-30 VDC \u7bc4\u570d<\/li><li>\u6700\u5927\u5de5\u4f5c\u96fb\u6d41 10A\uff0c\u914d\u5099\u53ef\u8abf\u7bc0\u5ef6\u6642\u3001\u5149\u611f\u95be\u503c\u53ca\u9748\u654f\u5ea6<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz048-12v-24v\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz048-10a\/\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ048 \u5d4c\u5165\u5f0f\u5929\u82b1\u5fae\u6ce2\u611f\u61c9\u5668\u7522\u54c1\u5716\u7247\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean.jpg 1200w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-1024x1024.jpg 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-300x300.jpg 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-768x768.jpg 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-150x150.jpg 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-100x100.jpg 100w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz048-10a\/\">RZ048-10A 360\u5ea6\u5d4c\u5165\u5f0f\u5929\u82b1\u5fae\u6ce2\u4eba\u9ad4\u611f\u61c9\u958b\u95dc<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>\u9ad8\u8ca0\u8f09\u5d4c\u5165\u5f0f\u5929\u82b1\u5b89\u88dd\u5fae\u6ce2\u4eba\u9ad4\u611f\u61c9\u958b\u95dc<\/li><li>100-265 VAC \u5e02\u96fb\u8f38\u5165\uff0c10A \u578b\u865f<\/li><li>5.8 GHz \u5fae\u6ce2\u611f\u61c9\uff0c\u914d\u5099\u53ef\u8abf\u7bc0\u5ef6\u6642\u3001\u5149\u611f\u95be\u503c\u53ca\u9748\u654f\u5ea6<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz048-10a\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz048-5a\/\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ048 \u5d4c\u5165\u5f0f\u5929\u82b1\u5fae\u6ce2\u611f\u61c9\u5668\u7522\u54c1\u5716\u7247\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean.jpg 1200w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-1024x1024.jpg 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-300x300.jpg 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-768x768.jpg 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-150x150.jpg 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-100x100.jpg 100w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz048-5a\/\">RZ048-5A 360\u5ea6\u5d4c\u5165\u5f0f\u5929\u82b1\u5fae\u6ce2\u4eba\u9ad4\u611f\u61c9\u958b\u95dc<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>\u5d4c\u5165\u5f0f\u5929\u82b1\u5b89\u88dd\u5fae\u6ce2\u4eba\u9ad4\u611f\u61c9\u958b\u95dc<\/li><li>100-265 VAC \u5e02\u96fb\u8f38\u5165\uff0c5A \u578b\u865f<\/li><li>5.8 GHz \u5fae\u6ce2\u611f\u61c9\uff0c\u914d\u5099\u53ef\u8abf\u7bc0\u5ef6\u6642\u3001\u5149\u611f\u95be\u503c\u53ca\u9748\u654f\u5ea6<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz048-5a\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz037-dim-220v\/\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"1080\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg 1080w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-1024x1024.jpg 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-300x300.jpg 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-768x768.jpg 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-150x150.jpg 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-100x100.jpg 100w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz037-dim-220v\/\">RZ037-DIM 220V \u5929\u82b1\u5b89\u88dd PIR \u88ab\u52d5\u5f0f\u7d05\u5916\u7dda\u4f54\u7a7a\u611f\u61c9\u8abf\u5149\u958b\u95dc<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>\u9069\u7528\u65bc 220V \u96fb\u6e90\u7684\u5929\u82b1\u5b89\u88dd RZ037 PIR \u88ab\u52d5\u5f0f\u7d05\u5916\u7dda\u4f54\u7a7a\u611f\u61c9\u8abf\u5149\u958b\u95dc<\/li><li>\u6700\u5927\u5de5\u4f5c\u96fb\u6d41 3A\uff0c\u984d\u5b9a\u8ca0\u8f09 660W<\/li><li>LUX \u6309\u9215\u63a7\u5236\u5149\u7dda\u611f\u61c9\u5668\u958b\u95dc\u53ca\u7528\u6236\u8a2d\u5b9a\u4e4b\u8abf\u5149\u4eae\u5ea6<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz037-dim-220v\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz037-%e8%aa%bf%e5%85%89-110v\/\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"1080\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg 1080w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-1024x1024.jpg 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-300x300.jpg 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-768x768.jpg 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-150x150.jpg 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-100x100.jpg 100w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz037-%e8%aa%bf%e5%85%89-110v\/\">RZ037-DIM 110V \u5929\u82b1\u5b89\u88dd PIR \u88ab\u52d5\u5f0f\u7d05\u5916\u7dda\u4f54\u7a7a\u611f\u61c9\u8abf\u5149\u958b\u95dc<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>\u9069\u7528\u65bc 110V \u96fb\u6e90\u7684\u5929\u82b1\u5b89\u88dd RZ037 PIR \u88ab\u52d5\u5f0f\u7d05\u5916\u7dda\u4f54\u7a7a\u611f\u61c9\u8abf\u5149\u958b\u95dc<\/li><li>\u6700\u5927\u5de5\u4f5c\u96fb\u6d41 3A\uff0c\u984d\u5b9a\u8ca0\u8f09 330W<\/li><li>LUX \u6309\u9215\u63a7\u5236\u5149\u7dda\u611f\u61c9\u5668\u958b\u95dc\u53ca\u7528\u6236\u8a2d\u5b9a\u4e4b\u8abf\u5149\u4eae\u5ea6<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz037-%e8%aa%bf%e5%85%89-110v\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz047-12v-24v\/\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ047 \u5438\u9802\u5f0f\u5fae\u6ce2\u611f\u61c9\u958b\u95dc\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200.jpg 1200w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-1024x1024.jpg 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-300x300.jpg 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-768x768.jpg 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-150x150.jpg 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-100x100.jpg 100w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz047-12v-24v\/\">RZ047 12V\/24V 360\u5ea6\u5929\u82b1\u5fae\u6ce2\u4eba\u9ad4\u611f\u61c9\u958b\u95dc<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>\u4f4e\u58d3\u76f4\u6d41\u5929\u82b1\u5b89\u88dd\u5fae\u6ce2\u4eba\u9ad4\u611f\u61c9\u958b\u95dc<\/li><li>12 VDC \/ 24 VDC \u8f38\u5165\uff0c\u652f\u63f4 10-30 VDC \u7bc4\u570d<\/li><li>\u6700\u5927\u5de5\u4f5c\u96fb\u6d41 10A\uff0c\u914d\u5099\u53ef\u8abf\u7bc0\u5ef6\u6642\u3001\u5149\u611f\u95be\u503c\u53ca\u9748\u654f\u5ea6<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz047-12v-24v\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz047-10a\/\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ047 \u5438\u9802\u5f0f\u5fae\u6ce2\u611f\u61c9\u958b\u95dc\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200.jpg 1200w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-1024x1024.jpg 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-300x300.jpg 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-768x768.jpg 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-150x150.jpg 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-100x100.jpg 100w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz047-10a\/\">RZ047-10A 360\u5ea6\u5438\u9802\u5f0f\u5fae\u6ce2\u52d5\u614b\u611f\u61c9\u5668\u958b\u95dc<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>\u9ad8\u8ca0\u8f09\u5438\u9802\u5f0f\u5fae\u6ce2\u52d5\u614b\u611f\u61c9\u5668\u958b\u95dc<\/li><li>100-265 VAC \u5e02\u96fb\u8f38\u5165\uff0c10A \u578b\u865f<\/li><li>5.8 GHz \u5fae\u6ce2\u611f\u61c9\uff0c\u914d\u5099\u53ef\u8abf\u7bc0\u5ef6\u6642\u3001\u5149\u611f\u95be\u503c\u53ca\u9748\u654f\u5ea6<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz047-10a\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz047-5a\/\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ047 \u5438\u9802\u5f0f\u5fae\u6ce2\u611f\u61c9\u958b\u95dc\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200.jpg 1200w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-1024x1024.jpg 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-300x300.jpg 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-768x768.jpg 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-150x150.jpg 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-100x100.jpg 100w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz047-5a\/\">RZ047-5A 360\u5ea6\u5438\u9802\u5f0f\u5fae\u6ce2\u52d5\u614b\u611f\u61c9\u5668\u958b\u95dc<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>\u5438\u9802\u5f0f\u5fae\u6ce2\u52d5\u614b\u611f\u61c9\u5668\u958b\u95dc<\/li><li>100-265 VAC \u5e02\u96fb\u8f38\u5165\uff0c5A \u578b\u865f<\/li><li>5.8 GHz \u5fae\u6ce2\u611f\u61c9\uff0c\u914d\u5099\u53ef\u8abf\u7bc0\u5ef6\u6642\u3001\u5149\u611f\u95be\u503c\u53ca\u9748\u654f\u5ea6<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz047-5a\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz038-12v-24v\/\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1600\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ038 \u5d4c\u5165\u5f0f\u5929\u82b1 PIR \u4eba\u9ad4\u611f\u61c9\u5668\u9802\u8996\u5716\u53ca\u5074\u8996\u5716\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side.png 1600w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side-1536x1536.png 1536w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side-1024x1024.png 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side-300x300.png 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side-768x768.png 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side-150x150.png 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side-12x12.png 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side-100x100.png 100w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side-1200x1200.png 1200w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz038-12v-24v\/\">RZ038 12V\/24V 360\u5ea6\u5d4c\u9802\u5f0f PIR \u52d5\u614b\u611f\u61c9\u5668\u958b\u95dc<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>\u4f4e\u58d3\u76f4\u6d41\u5d4c\u9802\u5f0f PIR \u52d5\u614b\u611f\u61c9\u5668\u958b\u95dc<\/li><li>12 VDC \/ 24 VDC \u8f38\u5165\uff0c\u652f\u63f4 10-30 VDC \u7bc4\u570d<\/li><li>\u6700\u5927\u5de5\u4f5c\u96fb\u6d41 10A\uff0c\u5177\u5099\u53ef\u8abf\u5f0f\u6642\u9593\u5ef6\u9072\u3001\u5149\u7167\u5ea6\u95be\u503c\u53ca\u9748\u654f\u5ea6<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz038-12v-24v\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz038-10a\/\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1600\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ038 \u5d4c\u5165\u5f0f\u5929\u82b1 PIR \u4eba\u9ad4\u611f\u61c9\u5668\u6b63\u8996\u5716\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front.png 1600w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-1536x1536.png 1536w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-1024x1024.png 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-300x300.png 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-768x768.png 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-150x150.png 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-12x12.png 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-100x100.png 100w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-1200x1200.png 1200w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz038-10a\/\">RZ038-10A 360\u5ea6\u5d4c\u9802\u5f0f PIR \u52d5\u614b\u611f\u61c9\u5668\u958b\u95dc<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>\u9ad8\u8ca0\u8f09\u5d4c\u9802\u5f0f PIR \u52d5\u614b\u611f\u61c9\u5668\u958b\u95dc<\/li><li>100-265 VAC \u5e02\u96fb\u8f38\u5165\uff0c10A \u578b\u865f<\/li><li>360\u5ea6\u5075\u6e2c\uff0c\u5177\u5099\u53ef\u8abf\u5f0f\u6642\u9593\u5ef6\u9072\u3001\u5149\u7167\u5ea6\u95be\u503c\u53ca\u9748\u654f\u5ea6<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz038-10a\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz038-5a\/\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1600\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ038 \u5d4c\u5165\u5f0f\u5929\u82b1 PIR \u4eba\u9ad4\u611f\u61c9\u5668\u6b63\u8996\u5716\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front.png 1600w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-1536x1536.png 1536w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-1024x1024.png 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-300x300.png 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-768x768.png 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-150x150.png 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-12x12.png 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-100x100.png 100w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-1200x1200.png 1200w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz038-5a\/\">RZ038-5A 360\u5ea6\u5d4c\u9802\u5f0f PIR \u52d5\u614b\u611f\u61c9\u5668\u958b\u95dc<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>\u5d4c\u9802\u5f0f PIR \u52d5\u614b\u611f\u61c9\u5668\u958b\u95dc<\/li><li>100-265 VAC \u5e02\u96fb\u8f38\u5165\uff0c5A \u578b\u865f<\/li><li>360\u5ea6\u5075\u6e2c\uff0c\u5177\u5099\u53ef\u8abf\u5f0f\u6642\u9593\u5ef6\u9072\u3001\u5149\u7167\u5ea6\u95be\u503c\u53ca\u9748\u654f\u5ea6<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz038-5a\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz040\/\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"1200\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz040-main-product-1200.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"RZ040 \u7121\u7dda\u958b\u95dc\u53ca\u63a5\u6536\u5668\u5957\u4ef6\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz040-main-product-1200.jpg 1200w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz040-main-product-1200-1024x1024.jpg 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz040-main-product-1200-300x300.jpg 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz040-main-product-1200-768x768.jpg 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz040-main-product-1200-150x150.jpg 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz040-main-product-1200-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz040-main-product-1200-100x100.jpg 100w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz040\/\">RZ040 \u7121\u7dda\u958b\u95dc\u53ca\u63a5\u6536\u5668\u5957\u88dd<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>\u7528\u65bc\u5ba4\u5167\u958b\u95dc\u7167\u660e\u63a7\u5236\u7684\u7121\u7dda\u958b\u95dc\u53ca\u63a5\u6536\u5668\u5957\u88dd<\/li><li>100-230VAC\uff0c50\/60Hz \u63a5\u6536\u5668\uff0c\u984d\u5b9a\u96fb\u6d41 5A<\/li><li>CR2032 \u96fb\u6c60\u4f9b\u96fb\u7121\u7dda\u958b\u95dc\uff0c\u63a1\u7528 2.4GHz \u901a\u8a0a<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz040\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz037-12v-24v\/\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"1080\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg 1080w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-1024x1024.jpg 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-300x300.jpg 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-768x768.jpg 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-150x150.jpg 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-100x100.jpg 100w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz037-12v-24v\/\">RZ037 12V\/24V \u76f4\u6d41\u5438\u9802\u5f0f PIR \u4eba\u9ad4\u4f54\u7528\u52d5\u614b\u611f\u61c9\u5668<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>\u4f54\u7528\u611f\u61c9\uff08\u81ea\u52d5\u958b\u555f\/\u81ea\u52d5\u95dc\u9589\uff09<\/li><li>12\u201324V DC (10\u201330VDC)\uff0c\u6700\u9ad8 10A<\/li><li>360\u00b0 \u8986\u84cb\uff0c\u76f4\u5f91 8\u201312 \u7c73<\/li><li>\u5ef6\u9072\u6642\u9593 15 \u79d2\u81f3 30 \u5206\u9418<\/li><li>\u5149\u611f\u61c9\u5668 \u95dc\u9589\/15\/25\/35 Lux<\/li><li>\u9ad8\/\u4f4e\u9748\u654f\u5ea6<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz037-12v-24v\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_shop\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/shop.rayzeek.com\/products\/rz037\" target=\"_blank\" rel=\"nofollow noopener\">\u7acb\u5373\u9078\u8cfc <\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz037-10a\/\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"1080\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg 1080w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-1024x1024.jpg 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-300x300.jpg 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-768x768.jpg 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-150x150.jpg 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-100x100.jpg 100w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz037-10a\/\">\u5438\u9802\u5f0f\u9ad8\u58d3\u4f54\u7528\u52d5\u614b\u611f\u61c9\u5668 (RZ037-10A)<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>\u81ea\u52d5\u958b\u555f\/\u81ea\u52d5\u95dc\u9589\u4f54\u7528\u6a21\u5f0f<\/li><li>100\u2013265V AC\uff0c10A\uff08\u9700\u63a5\u96f6\u7dda\uff09<\/li><li>360\u00b0 \u5168\u65b9\u4f4d\u8986\u84cb\uff1b8\u201312 \u7c73\u5075\u6e2c\u76f4\u5f91<\/li><li>\u5ef6\u9072\u6642\u9593 15 \u79d2\u81f3 30 \u5206\u9418\uff1bLux \u95dc\u9589\/15\/25\/35\uff1b\u9748\u654f\u5ea6 \u9ad8\/\u4f4e<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz037-10a\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_shop\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/shop.rayzeek.com\/products\/rz037\" target=\"_blank\" rel=\"nofollow noopener\">\u7acb\u5373\u9078\u8cfc <\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz037-5a\/\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1080\" height=\"1080\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view.jpg 1080w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-1024x1024.jpg 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-300x300.jpg 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-768x768.jpg 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-150x150.jpg 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-100x100.jpg 100w\" sizes=\"auto, (max-width: 1080px) 100vw, 1080px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz037-5a\/\">\u5438\u9802\u5f0f\u9ad8\u58d3\u4f54\u7528\u52d5\u614b\u611f\u61c9\u5668 (RZ037-5A)<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>\u81ea\u52d5\u958b\u555f\/\u81ea\u52d5\u95dc\u9589\u4f54\u7528\u6a21\u5f0f<\/li><li>100\u2013265V AC\uff0c5A\uff08\u9700\u63a5\u96f6\u7dda\uff09<\/li><li>360\u00b0 \u5168\u65b9\u4f4d\u8986\u84cb\uff1b8\u201312 \u7c73\u5075\u6e2c\u76f4\u5f91<\/li><li>\u5ef6\u9072\u6642\u9593 15 \u79d2\u81f3 30 \u5206\u9418\uff1bLux \u95dc\u9589\/15\/25\/35\uff1b\u9748\u654f\u5ea6 \u9ad8\/\u4f4e<\/li><\/ul>\r\n <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz037-5a\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_shop\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/shop.rayzeek.com\/products\/rz037\" target=\"_blank\" rel=\"nofollow noopener\">\u7acb\u5373\u9078\u8cfc <\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><div class=\"swiper-slide\"><div class = \"insert_product_card_inner\"><div class = \"insert_product_card_i\"><a href=\"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz039\/\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1600\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039.jpg 1600w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-1536x1536.jpg 1536w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-1024x1024.jpg 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-300x300.jpg 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-768x768.jpg 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-150x150.jpg 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-100x100.jpg 100w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-1200x1200.jpg 1200w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/div><\/a><\/div><div class = \"insert_product_card_t\"><div class = \"insert_product_card_content\"><div class = \"insert_product_card_title\"><h4><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz039\/\">\u7121\u7dda\u52d5\u614b\u611f\u61c9\u5668\u5957\u88dd<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>100V-230VAC<\/li><li>\u50b3\u8f38\u8ddd\u96e2\uff1a\u6700\u9060 20 \u7c73<\/li><li>\u7121\u7dda\u52d5\u614b\u611f\u61c9\u5668<\/li><li>\u6709\u7dda\u63a7\u5236<\/li><\/ul> <\/div><\/div><div class = \"merged_buttons product_merged_wrapper\"><div class = \"insert_product_card_button_wrapper insert_product_product\"><div class = \"insert_product_card_button\"><a href = \"https:\/\/staging.rayzeek.com\/zh_hk\/%e7%94%a2%e5%93%81\/rz039\/\">\u7522\u54c1\u8a73\u60c5 <\/a><\/div><\/div><\/div><div class = \"merged_buttons amz_merged_wrapper\"><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">The cosine law of illumination is an important concept in the lighting industry as it helps in the design and implementation of lighting systems. It allows for the calculation of illuminance based on the angle of incidence, enabling the optimization of lighting conditions for various applications. Understanding the cosine law is crucial for achieving efficient and effective lighting solutions.<\/p>\n<div class=\"insert_portfolio_outer_wrapper\"><h3>\u5f9e Rayzeek \u52d5\u614b\u611f\u6e2c\u5668\u7522\u54c1\u7d44\u5408\u4e2d\u7372\u5f97\u9748\u611f\u3002<\/h3><p>\u627e\u4e0d\u5230\u60a8\u60f3\u8981\u7684\u7522\u54c1\uff1f\u5225\u64d4\u5fc3\u3002\u7e3d\u6709\u5176\u4ed6\u65b9\u6cd5\u53ef\u4ee5\u89e3\u6c7a\u60a8\u7684\u554f\u984c\u3002\u4e5f\u8a31\u6211\u5011\u7684\u5176\u4e2d\u4e00\u500b\u7522\u54c1\u7d44\u5408\u53ef\u4ee5\u5e6b\u5230\u60a8\u3002<\/p><div class = \"insert_portfolio_buttons\"><div class = \"insert_portfolio_button_wrapper\"><div><a href = \"https:\/\/www.rayzeek.com\/product-category\/motion-sensors\"><p>PIR \u52d5\u614b\u611f\u6e2c\u5668<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/motion-sensor-switches\"><p>\u52d5\u614b\u611f\u61c9\u958b\u95dc<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/occupancy-vacancy-sensors\"><p>\u4f54\u7528\u611f\u61c9\u5668<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/products\/rz050\"><p>\u7a7a\u8abf\u52d5\u614b\u611f\u6e2c\u5668<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/motion-sensor-light-strip\"><p>\u52d5\u614b\u611f\u61c9\u71c8\u5e36<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/dc-sensor-dimmer\"><p>\u4f4e\u58d3\u76f4\u6d41\u52d5\u614b\u611f\u6e2c\u5668\uff0f\u8abf\u5149\u5668<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/wireless-motion-sensors\"><p>\u7121\u7dda\u52d5\u614b\u611f\u6e2c\u5668\u5957\u4ef6<\/p><\/a><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faqs\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions\">\u5e38\u898b\u554f\u984c<\/h2>\n\n\n<div class=\"wp-block-group glossary_faq\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group glossary_faq_q\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><h3 class=\"wp-block-heading\" id=\"h-what-is-the-difference-between-sine-and-cosine\">What Is the Difference Between Sine and Cosine<\/h3><\/div><\/div>\n\n\n\n<div class=\"wp-block-group glossary_faq_a\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"wp-block-paragraph\">Sine and cosine, also known as sin(\u03b8) and cos(\u03b8), are mathematical functions that describe the proportions of sides in a right triangle. Specifically, sin(\u03b8) represents the ratio of the length of the side opposite to the angle \u03b8 to the length of the hypotenuse, while cos(\u03b8) represents the ratio of the length of the side adjacent to the angle \u03b8 to the length of the hypotenuse.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Doesn\\&#8217;t find what you want? Don\\&#8217;t worry. There are always alternate ways to solve your problems. Maybe one of our portfolios can help.PIR Motion SensorsMotion Sensor SwitchesOccupancy Sensors&lt;<\/p>","protected":false},"author":4,"featured_media":12863,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"[{\"keyword\": \"illuminance\", \"idxall\": 0, \"keywordtitlesimi\": 0.9325839877128601, \"keywordslugsimi\": 0.9325839877128601, \"paratitlesimi\": 0.736487865447998, \"paraslugsimi\": 0.736487865447998, \"slug\": \"what-is-illuminance\", \"title\": \"What is Illuminance\", \"id\": 13562}, {\"keyword\": \"desired illumination levels\", \"idxall\": 0, \"keywordtitlesimi\": 0.8723311424255371, \"keywordslugsimi\": 0.8723311424255371, \"paratitlesimi\": 0.7373344898223877, \"paraslugsimi\": 0.7373344898223877, \"slug\": \"what-is-level-of-illumination\", \"title\": \"What is Level of Illumination\", \"id\": 13762}, {\"keyword\": \"efficient and effective lighting solutions\", \"idxall\": 0, \"keywordtitlesimi\": 0.8636009573936463, \"keywordslugsimi\": 0.8636009573936463, \"paratitlesimi\": 0.6503511875867843, \"paraslugsimi\": 0.6503511875867843, \"slug\": \"tips-for-increasing-the-efficiency-of-commercial-lighting\", \"title\": \"Tips for Increasing the Efficiency of Commercial Lighting\", \"id\": 10327}, {\"keyword\": \"design and implementation of lighting systems\", \"idxall\": 0, \"keywordtitlesimi\": 0.8440175861120225, \"keywordslugsimi\": 0.767906928062439, \"paratitlesimi\": 0.6150062531232834, \"paraslugsimi\": 0.5860057979822159, \"slug\": \"indoor-motion-sensor-light-guide\", \"title\": \"A Guide to Indoor Motion Sensor Lights\", \"id\": 9224}, {\"keyword\": \"radiant intensity\", \"idxall\": 0, \"keywordtitlesimi\": 0.8390793800354004, \"keywordslugsimi\": 0.8390793800354004, \"paratitlesimi\": 0.6710293292999268, \"paraslugsimi\": 0.6710293292999268, \"slug\": \"what-is-luminous-intensity\", \"title\": \"What is Luminous Intensity\", \"id\": 13727}, {\"keyword\": \"efficient and effective lighting solutions\", \"idxall\": 0, \"keywordtitlesimi\": 0.8286784082651139, \"keywordslugsimi\": 0.7784583628177643, \"paratitlesimi\": 0.6150062531232834, \"paraslugsimi\": 0.5860057979822159, \"slug\": \"indoor-motion-sensor-light-guide\", \"title\": \"A Guide to Indoor Motion Sensor Lights\", \"id\": 9224}, {\"keyword\": \"optimization of lighting conditions\", \"idxall\": 0, \"keywordtitlesimi\": 0.8219678699970245, \"keywordslugsimi\": 0.8219678699970245, \"paratitlesimi\": 0.6340083360671998, \"paraslugsimi\": 0.6340083360671998, \"slug\": \"daylight-dimming-and-daylight-harvesting-controls\", \"title\": \"Daylight Dimming and Daylight Harvesting Controls\", \"id\": 8726}, {\"keyword\": \"optimization of lighting conditions\", \"idxall\": 0, \"keywordtitlesimi\": 0.8142387002706528, \"keywordslugsimi\": 0.8142387002706528, \"paratitlesimi\": 0.6503511875867843, \"paraslugsimi\": 0.6503511875867843, \"slug\": \"tips-for-increasing-the-efficiency-of-commercial-lighting\", \"title\": \"Tips for Increasing the Efficiency of Commercial Lighting\", \"id\": 10327}, {\"keyword\": \"calculation of illuminance\", \"idxall\": 0, \"keywordtitlesimi\": 0.8070026636123657, \"keywordslugsimi\": 0.8070026636123657, \"paratitlesimi\": 0.6931741237640381, \"paraslugsimi\": 0.6931741237640381, \"slug\": \"what-is-illuminance\", \"title\": \"What is Illuminance\", \"id\": 13562}, {\"keyword\": \"illumination of a surface\", \"idxall\": 0, \"keywordtitlesimi\": 0.8057451248168945, \"keywordslugsimi\": 0.8057451248168945, \"paratitlesimi\": 0.6327277421951294, \"paraslugsimi\": 0.6327277421951294, \"slug\": \"what-is-level-of-illumination\", \"title\": \"What is Level of Illumination\", \"id\": 13762}, {\"keyword\": \"illuminance\", \"idxall\": 0, \"keywordtitlesimi\": 0.8048065304756165, \"keywordslugsimi\": 0.8048065304756165, \"paratitlesimi\": 0.7373344898223877, \"paraslugsimi\": 0.7373344898223877, \"slug\": \"what-is-level-of-illumination\", \"title\": \"What is Level of Illumination\", \"id\": 13762}, {\"keyword\": \"design and implementation of lighting systems\", \"idxall\": 0, \"keywordtitlesimi\": 0.8042456477880479, \"keywordslugsimi\": 0.8042456477880479, \"paratitlesimi\": 0.6340083360671998, \"paraslugsimi\": 0.6340083360671998, \"slug\": \"daylight-dimming-and-daylight-harvesting-controls\", \"title\": \"Daylight Dimming and Daylight Harvesting Controls\", \"id\": 8726}, {\"keyword\": \"uniformity on a surface\", \"idxall\": 0, \"keywordtitlesimi\": 0.7942092418670654, \"keywordslugsimi\": 0.7942092418670654, \"paratitlesimi\": 0.5767971277236938, \"paraslugsimi\": 0.5767971277236938, \"slug\": \"what-is-uniformity\", \"title\": \"What is Uniformity\", \"id\": 12948}, {\"keyword\": \"efficient and effective lighting solutions\", \"idxall\": 0, \"keywordtitlesimi\": 0.791919556260109, \"keywordslugsimi\": 0.791919556260109, \"paratitlesimi\": 0.6340083360671998, \"paraslugsimi\": 0.6340083360671998, \"slug\": \"daylight-dimming-and-daylight-harvesting-controls\", \"title\": \"Daylight Dimming and Daylight Harvesting Controls\", \"id\": 8726}, {\"keyword\": \"design and implementation of lighting systems\", \"idxall\": 0, \"keywordtitlesimi\": 0.7911068290472031, \"keywordslugsimi\": 0.7911068290472031, \"paratitlesimi\": 0.6503511875867843, \"paraslugsimi\": 0.6503511875867843, \"slug\": \"tips-for-increasing-the-efficiency-of-commercial-lighting\", \"title\": \"Tips for Increasing the Efficiency of Commercial Lighting\", \"id\": 10327}, {\"keyword\": \"illuminance\", \"idxall\": 0, \"keywordtitlesimi\": 0.7896537184715271, \"keywordslugsimi\": 0.7896537184715271, \"paratitlesimi\": 0.711018443107605, \"paraslugsimi\": 0.711018443107605, \"slug\": \"what-is-luminance\", \"title\": \"What is Luminance\", \"id\": 14235}, {\"keyword\": \"illuminance\", \"idxall\": 0, \"keywordtitlesimi\": 0.7890569567680359, \"keywordslugsimi\": 0.7890569567680359, \"paratitlesimi\": 0.6858118176460266, \"paraslugsimi\": 0.6858118176460266, \"slug\": \"what-is-quantity-of-light\", \"title\": \"What is Quantity of Light\", \"id\": 13530}, {\"keyword\": \"lighting industry\", \"idxall\": 1, \"keywordtitlesimi\": 0.7885549306869507, \"keywordslugsimi\": 0.7885549306869507, \"paratitlesimi\": 0.6503511875867843, \"paraslugsimi\": 0.6503511875867843, \"slug\": \"tips-for-increasing-the-efficiency-of-commercial-lighting\", \"title\": \"Tips for Increasing the Efficiency of Commercial Lighting\", \"id\": 10327}, {\"keyword\": \"illumination of a surface\", \"idxall\": 0, \"keywordtitlesimi\": 0.7869529128074646, \"keywordslugsimi\": 0.7869529128074646, \"paratitlesimi\": 0.6446950435638428, \"paraslugsimi\": 0.6446950435638428, \"slug\": \"what-is-illumination\", \"title\": \"What is Illumination\", \"id\": 13577}, {\"keyword\": \"uniformity on a surface\", \"idxall\": 0, \"keywordtitlesimi\": 0.7810349464416504, \"keywordslugsimi\": 0.7810349464416504, \"paratitlesimi\": 0.5912892818450928, \"paraslugsimi\": 0.5912892818450928, \"slug\": \"what-is-color-uniformity\", \"title\": \"What is Color Uniformity\", \"id\": 13786}, {\"keyword\": \"illuminance\", \"idxall\": 0, \"keywordtitlesimi\": 0.7810137867927551, \"keywordslugsimi\": 0.7810137867927551, \"paratitlesimi\": 0.743881106376648, \"paraslugsimi\": 0.743881106376648, \"slug\": \"what-is-illumination\", \"title\": \"What is Illumination\", \"id\": 13577}, {\"keyword\": \"lighting designers and engineers\", \"idxall\": 0, \"keywordtitlesimi\": 0.7042609453201294, \"keywordslugsimi\": 0.7780740261077881, \"paratitlesimi\": 0.637540340423584, \"paraslugsimi\": 0.6767633557319641, \"slug\": \"what-is-lighting-design-lumens\", \"title\": \"What is Lighting Design Lumens (LDL)\", \"id\": 13292}, {\"keyword\": \"calculation of illuminance\", \"idxall\": 0, \"keywordtitlesimi\": 0.7747297286987305, \"keywordslugsimi\": 0.7747297286987305, \"paratitlesimi\": 0.6946836113929749, \"paraslugsimi\": 0.6946836113929749, \"slug\": \"what-is-level-of-illumination\", \"title\": \"What is Level of Illumination\", \"id\": 13762}, {\"keyword\": \"cosine law of illumination\", \"idxall\": 0, \"keywordtitlesimi\": 0.7744070887565613, \"keywordslugsimi\": 0.7744070887565613, \"paratitlesimi\": 0.7373344898223877, \"paraslugsimi\": 0.7373344898223877, \"slug\": \"what-is-level-of-illumination\", \"title\": \"What is Level of Illumination\", \"id\": 13762}, {\"keyword\": \"cosine law of illumination\", \"idxall\": 1, \"keywordtitlesimi\": 0.7744070887565613, \"keywordslugsimi\": 0.7744070887565613, \"paratitlesimi\": 0.6946836113929749, \"paraslugsimi\": 0.6946836113929749, \"slug\": \"what-is-level-of-illumination\", \"title\": \"What is Level of Illumination\", \"id\": 13762}, {\"keyword\": \"radiant intensity\", \"idxall\": 0, \"keywordtitlesimi\": 0.7740139961242676, \"keywordslugsimi\": 0.7740139961242676, \"paratitlesimi\": 0.5901188254356384, \"paraslugsimi\": 0.5901188254356384, \"slug\": \"what-is-intensity\", \"title\": \"What is Intensity\", \"id\": 13745}, {\"keyword\": \"radiant intensity\", \"idxall\": 0, \"keywordtitlesimi\": 0.7709871530532837, \"keywordslugsimi\": 0.7709871530532837, \"paratitlesimi\": 0.6235663294792175, \"paraslugsimi\": 0.6235663294792175, \"slug\": \"what-is-radiant-energy\", \"title\": \"What is Radiant Energy\", \"id\": 13545}, {\"keyword\": \"optimization of lighting conditions\", \"idxall\": 0, \"keywordtitlesimi\": 0.7669364213943481, \"keywordslugsimi\": 0.7669364213943481, \"paratitlesimi\": 0.6946836113929749, \"paraslugsimi\": 0.6946836113929749, \"slug\": \"what-is-level-of-illumination\", \"title\": \"What is Level of Illumination\", \"id\": 13762}, {\"keyword\": \"irradiance\", \"idxall\": 0, \"keywordtitlesimi\": 0.7617642283439636, \"keywordslugsimi\": 0.7617642283439636, \"paratitlesimi\": 0.7373344898223877, \"paraslugsimi\": 0.7373344898223877, \"slug\": \"what-is-level-of-illumination\", \"title\": \"What is Level of Illumination\", \"id\": 13762}, {\"keyword\": \"incident light\", \"idxall\": 0, \"keywordtitlesimi\": 0.7543084621429443, \"keywordslugsimi\": 0.7543084621429443, \"paratitlesimi\": 0.6163874864578247, \"paraslugsimi\": 0.6163874864578247, \"slug\": \"what-is-stray-light\", \"title\": \"What is Stray Light\", \"id\": 13956}, {\"keyword\": \"irradiance\", \"idxall\": 0, \"keywordtitlesimi\": 0.7528683543205261, \"keywordslugsimi\": 0.7528683543205261, \"paratitlesimi\": 0.736487865447998, \"paraslugsimi\": 0.736487865447998, \"slug\": \"what-is-illuminance\", \"title\": \"What is Illuminance\", \"id\": 13562}, {\"keyword\": \"illuminance\", \"idxall\": 0, \"keywordtitlesimi\": 0.7523112893104553, \"keywordslugsimi\": 0.7523112893104553, \"paratitlesimi\": 0.6393322944641113, \"paraslugsimi\": 0.6393322944641113, \"slug\": \"what-is-light-quality\", \"title\": \"What is Light Quality\", \"id\": 13951}, {\"keyword\": \"illuminance\", \"idxall\": 0, \"keywordtitlesimi\": 0.7518020272254944, \"keywordslugsimi\": 0.7518020272254944, \"paratitlesimi\": 0.7056174874305725, \"paraslugsimi\": 0.7056174874305725, \"slug\": \"what-is-lighting-terminology\", \"title\": \"What is Lighting Terminology\", \"id\": 12947}]","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"Cosine Law","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[102],"tags":[99],"class_list":["post-12858","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-glossary"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is Cosine Law - Rayzeek<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"zh_HK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What is Cosine Law - Rayzeek\" \/>\n<meta property=\"og:description\" content=\"Doesn&#039;t find what you want? Don&#039;t worry. There are always alternate ways to solve your problems. Maybe one of our portfolios can help.PIR Motion SensorsMotion Sensor SwitchesOccupancy Sensors&lt;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/staging.rayzeek.com\/zh_hk\/\u8a5e\u5f59\u8868\/what-is-cosine-law\/\" \/>\n<meta property=\"og:site_name\" content=\"Rayzeek\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/bester001\/\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/bester001\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-01T02:22:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-12-26T08:35:57+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-5.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Horace He\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@RayzeekTech\" \/>\n<meta name=\"twitter:site\" content=\"@RayzeekTech\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Horace He\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9810\u8a08\u95b1\u8b80\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\u9418\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/\"},\"author\":{\"name\":\"Horace He\",\"@id\":\"https:\/\/staging.rayzeek.com\/#\/schema\/person\/ff0b4bd6573444e02efc8613274549c4\"},\"headline\":\"What is Cosine Law\",\"datePublished\":\"2023-08-01T02:22:43+00:00\",\"dateModified\":\"2023-12-26T08:35:57+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/\"},\"wordCount\":299,\"publisher\":{\"@id\":\"https:\/\/staging.rayzeek.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-5.jpg\",\"keywords\":[\"glossary\"],\"articleSection\":[\"glossary\"],\"inLanguage\":\"zh-HK\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/\",\"url\":\"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/\",\"name\":\"What is Cosine Law - Rayzeek\",\"isPartOf\":{\"@id\":\"https:\/\/staging.rayzeek.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-5.jpg\",\"datePublished\":\"2023-08-01T02:22:43+00:00\",\"dateModified\":\"2023-12-26T08:35:57+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/#breadcrumb\"},\"inLanguage\":\"zh-HK\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-HK\",\"@id\":\"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/#primaryimage\",\"url\":\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-5.jpg\",\"contentUrl\":\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-5.jpg\",\"width\":1200,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/staging.rayzeek.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"What is Cosine Law\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/staging.rayzeek.com\/#website\",\"url\":\"https:\/\/staging.rayzeek.com\/\",\"name\":\"Rayzeek\",\"description\":\"Motion Sensor &amp; Occupancy Sensor Expert\",\"publisher\":{\"@id\":\"https:\/\/staging.rayzeek.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/staging.rayzeek.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-HK\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/staging.rayzeek.com\/#organization\",\"name\":\"Rayzeek\",\"url\":\"https:\/\/staging.rayzeek.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-HK\",\"@id\":\"https:\/\/staging.rayzeek.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/rayzeek.com\/wp-content\/uploads\/2021\/05\/rayzeek-logo-retina.png\",\"contentUrl\":\"https:\/\/rayzeek.com\/wp-content\/uploads\/2021\/05\/rayzeek-logo-retina.png\",\"width\":260,\"height\":101,\"caption\":\"Rayzeek\"},\"image\":{\"@id\":\"https:\/\/staging.rayzeek.com\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/bester001\/\",\"https:\/\/x.com\/RayzeekTech\",\"https:\/\/www.youtube.com\/channel\/UCTKY5jxVUKLU8PVz0hdFzVA\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/staging.rayzeek.com\/#\/schema\/person\/ff0b4bd6573444e02efc8613274549c4\",\"name\":\"Horace He\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-HK\",\"@id\":\"https:\/\/staging.rayzeek.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/d93e641f414cb911598e8e3c4926f3e2bcab8ac497604c8f63eb939a65d2bf07?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/d93e641f414cb911598e8e3c4926f3e2bcab8ac497604c8f63eb939a65d2bf07?s=96&d=mm&r=g\",\"caption\":\"Horace He\"},\"description\":\"Horace He has worked in the motion sensor industry for 12 years. He is the CEO of Rayzeek, an all-in-one manufacturing company of motion sensor switches, occupancy sensors, light sensors, dimmers, and motion sensor lights. Horace helps his customers to reduce electricity energy waste and enjoy a smarter, greener, hands-free lifestyle. In his free time, Horace likes to hike, travel, and go fishing with his family.\",\"sameAs\":[\"https:\/\/rayzeek.com\",\"https:\/\/www.facebook.com\/bester001\/\",\"https:\/\/x.com\/RayzeekTech\",\"https:\/\/www.youtube.com\/channel\/UCTKY5jxVUKLU8PVz0hdFzVA\"],\"url\":\"https:\/\/staging.rayzeek.com\/zh_hk\/author\/horace\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"What is Cosine Law - Rayzeek","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"zh_HK","og_type":"article","og_title":"What is Cosine Law - Rayzeek","og_description":"Doesn't find what you want? Don't worry. There are always alternate ways to solve your problems. Maybe one of our portfolios can help.PIR Motion SensorsMotion Sensor SwitchesOccupancy Sensors&lt;","og_url":"https:\/\/staging.rayzeek.com\/zh_hk\/\u8a5e\u5f59\u8868\/what-is-cosine-law\/","og_site_name":"Rayzeek","article_publisher":"https:\/\/www.facebook.com\/bester001\/","article_author":"https:\/\/www.facebook.com\/bester001\/","article_published_time":"2023-08-01T02:22:43+00:00","article_modified_time":"2023-12-26T08:35:57+00:00","og_image":[{"width":1200,"height":800,"url":"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-5.jpg","type":"image\/jpeg"}],"author":"Horace He","twitter_card":"summary_large_image","twitter_creator":"@RayzeekTech","twitter_site":"@RayzeekTech","twitter_misc":{"\u4f5c\u8005":"Horace He","\u9810\u8a08\u95b1\u8b80\u6642\u9593":"1 \u5206\u9418"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/#article","isPartOf":{"@id":"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/"},"author":{"name":"Horace He","@id":"https:\/\/staging.rayzeek.com\/#\/schema\/person\/ff0b4bd6573444e02efc8613274549c4"},"headline":"What is Cosine Law","datePublished":"2023-08-01T02:22:43+00:00","dateModified":"2023-12-26T08:35:57+00:00","mainEntityOfPage":{"@id":"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/"},"wordCount":299,"publisher":{"@id":"https:\/\/staging.rayzeek.com\/#organization"},"image":{"@id":"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/#primaryimage"},"thumbnailUrl":"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-5.jpg","keywords":["glossary"],"articleSection":["glossary"],"inLanguage":"zh-HK"},{"@type":"WebPage","@id":"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/","url":"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/","name":"What is Cosine Law - Rayzeek","isPartOf":{"@id":"https:\/\/staging.rayzeek.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/#primaryimage"},"image":{"@id":"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/#primaryimage"},"thumbnailUrl":"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-5.jpg","datePublished":"2023-08-01T02:22:43+00:00","dateModified":"2023-12-26T08:35:57+00:00","breadcrumb":{"@id":"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/#breadcrumb"},"inLanguage":"zh-HK","potentialAction":[{"@type":"ReadAction","target":["https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/"]}]},{"@type":"ImageObject","inLanguage":"zh-HK","@id":"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/#primaryimage","url":"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-5.jpg","contentUrl":"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2023\/06\/rayzeek-glossary-image-5.jpg","width":1200,"height":800},{"@type":"BreadcrumbList","@id":"https:\/\/staging.rayzeek.com\/el\/glossary\/what-is-cosine-law\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/staging.rayzeek.com\/"},{"@type":"ListItem","position":2,"name":"What is Cosine Law"}]},{"@type":"WebSite","@id":"https:\/\/staging.rayzeek.com\/#website","url":"https:\/\/staging.rayzeek.com\/","name":"Rayzeek","description":"Motion Sensor &amp; Occupancy Sensor Expert","publisher":{"@id":"https:\/\/staging.rayzeek.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/staging.rayzeek.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-HK"},{"@type":"Organization","@id":"https:\/\/staging.rayzeek.com\/#organization","name":"Rayzeek","url":"https:\/\/staging.rayzeek.com\/","logo":{"@type":"ImageObject","inLanguage":"zh-HK","@id":"https:\/\/staging.rayzeek.com\/#\/schema\/logo\/image\/","url":"https:\/\/rayzeek.com\/wp-content\/uploads\/2021\/05\/rayzeek-logo-retina.png","contentUrl":"https:\/\/rayzeek.com\/wp-content\/uploads\/2021\/05\/rayzeek-logo-retina.png","width":260,"height":101,"caption":"Rayzeek"},"image":{"@id":"https:\/\/staging.rayzeek.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/bester001\/","https:\/\/x.com\/RayzeekTech","https:\/\/www.youtube.com\/channel\/UCTKY5jxVUKLU8PVz0hdFzVA"]},{"@type":"Person","@id":"https:\/\/staging.rayzeek.com\/#\/schema\/person\/ff0b4bd6573444e02efc8613274549c4","name":"Horace He","image":{"@type":"ImageObject","inLanguage":"zh-HK","@id":"https:\/\/staging.rayzeek.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/d93e641f414cb911598e8e3c4926f3e2bcab8ac497604c8f63eb939a65d2bf07?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/d93e641f414cb911598e8e3c4926f3e2bcab8ac497604c8f63eb939a65d2bf07?s=96&d=mm&r=g","caption":"Horace He"},"description":"Horace He has worked in the motion sensor industry for 12 years. He is the CEO of Rayzeek, an all-in-one manufacturing company of motion sensor switches, occupancy sensors, light sensors, dimmers, and motion sensor lights. Horace helps his customers to reduce electricity energy waste and enjoy a smarter, greener, hands-free lifestyle. In his free time, Horace likes to hike, travel, and go fishing with his family.","sameAs":["https:\/\/rayzeek.com","https:\/\/www.facebook.com\/bester001\/","https:\/\/x.com\/RayzeekTech","https:\/\/www.youtube.com\/channel\/UCTKY5jxVUKLU8PVz0hdFzVA"],"url":"https:\/\/staging.rayzeek.com\/zh_hk\/author\/horace\/"}]}},"_links":{"self":[{"href":"https:\/\/staging.rayzeek.com\/zh_hk\/wp-json\/wp\/v2\/posts\/12858","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staging.rayzeek.com\/zh_hk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/staging.rayzeek.com\/zh_hk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/staging.rayzeek.com\/zh_hk\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/staging.rayzeek.com\/zh_hk\/wp-json\/wp\/v2\/comments?post=12858"}],"version-history":[{"count":2,"href":"https:\/\/staging.rayzeek.com\/zh_hk\/wp-json\/wp\/v2\/posts\/12858\/revisions"}],"predecessor-version":[{"id":13402,"href":"https:\/\/staging.rayzeek.com\/zh_hk\/wp-json\/wp\/v2\/posts\/12858\/revisions\/13402"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/staging.rayzeek.com\/zh_hk\/wp-json\/wp\/v2\/media\/12863"}],"wp:attachment":[{"href":"https:\/\/staging.rayzeek.com\/zh_hk\/wp-json\/wp\/v2\/media?parent=12858"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/staging.rayzeek.com\/zh_hk\/wp-json\/wp\/v2\/categories?post=12858"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/staging.rayzeek.com\/zh_hk\/wp-json\/wp\/v2\/tags?post=12858"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}