{"id":14219,"date":"2023-10-16T02:42:35","date_gmt":"2023-10-16T02:42:35","guid":{"rendered":"https:\/\/staging.rayzeek.com\/?p=14219"},"modified":"2023-12-26T08:45:30","modified_gmt":"2023-12-26T08:45:30","slug":"what-is-underwriters-laboratories-ul","status":"publish","type":"post","link":"https:\/\/staging.rayzeek.com\/zh_hk\/glossary\/what-is-underwriters-laboratories-ul","title":{"rendered":"What is Underwriters Laboratories (UL)"},"content":{"rendered":"<h2 class=\"wp-block-heading\" id=\"h-what-is-underwriters-laboratories-ul\">What is Underwriters Laboratories (UL)<\/h2><p>Underwriters Laboratories (UL) is a globally recognized, not-for-profit testing laboratory and certification organization that specializes in conducting rigorous tests on the quality and safety of various products, including light fixtures. With a rich history spanning over a century, UL has established itself as the largest testing company in the world and is widely regarded as the authority on rating the safety, performance, and energy efficiency of products.<\/p><p>UL&#8217;s primary objective is to ensure consistency and reliability in its testing and quality assessment procedures. By subjecting products to the same level of evaluation, UL guarantees that manufacturers and consumers receive a uniform standard of results that they can trust. This commitment to maintaining high standards has earned UL a reputation for being a reliable and trusted source for product certification.<\/p><div class=\"insert_product_cards_outer_wrapper\"><h3>Maybe You Are Interested In<\/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\/products\/rz037-dry\"><div class = \"insert_product_card_image\"><img fetchpriority=\"high\" 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-300x300.jpg 300w, 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-150x150.jpg 150w, 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-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-100x100.jpg 100w\" sizes=\"(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\/products\/rz037-dry\">RZ037-DRY Ceiling Mount PIR Occupancy Sensor with Dry Contact Relay<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Ceiling-mounted PIR occupancy sensor with dry-contact relay output<\/li><li>12\/24VDC or 12\/24VAC low-voltage supply<\/li><li>COM, NO, and NC isolated relay contacts for EMS, HVAC, and building control inputs<\/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\/products\/rz037-dry\">Product Details <\/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\/products\/rz048-12v-24v\"><div class = \"insert_product_card_image\"><img 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 recessed ceiling microwave motion sensor product image\" 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-300x300.jpg 300w, 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-150x150.jpg 150w, 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-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-100x100.jpg 100w\" sizes=\"(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\/products\/rz048-12v-24v\">RZ048 12V\/24V 360-Degree Recessed Ceiling Microwave Motion Sensor Switch<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Low-voltage DC recessed ceiling-mounted microwave motion sensor switch<\/li><li>12 VDC \/ 24 VDC input with 10-30 VDC range<\/li><li>10A max work current with adjustable time delay, Lux threshold, and sensitivity<\/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\/products\/rz048-12v-24v\">Product Details <\/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\/products\/rz048-10a\"><div class = \"insert_product_card_image\"><img 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 recessed ceiling microwave motion sensor product image\" 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-300x300.jpg 300w, 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-150x150.jpg 150w, 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-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-100x100.jpg 100w\" sizes=\"(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\/products\/rz048-10a\">RZ048-10A 360-Degree Recessed Ceiling Microwave Motion Sensor Switch<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Higher-load recessed ceiling-mounted microwave motion sensor switch<\/li><li>100-265 VAC line-voltage input, 10A model<\/li><li>5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity<\/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\/products\/rz048-10a\">Product Details <\/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\/products\/rz048-5a\"><div class = \"insert_product_card_image\"><img 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 recessed ceiling microwave motion sensor product image\" 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-300x300.jpg 300w, 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-150x150.jpg 150w, 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-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz048-main-clean-100x100.jpg 100w\" sizes=\"(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\/products\/rz048-5a\">RZ048-5A 360-Degree Recessed Ceiling Microwave Motion Sensor Switch<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Recessed ceiling-mounted microwave motion sensor switch<\/li><li>100-265 VAC line-voltage input, 5A model<\/li><li>5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity<\/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\/products\/rz048-5a\">Product Details <\/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\/products\/rz037-dim-220v\"><div class = \"insert_product_card_image\"><img fetchpriority=\"high\" 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-300x300.jpg 300w, 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-150x150.jpg 150w, 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-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-100x100.jpg 100w\" sizes=\"(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\/products\/rz037-dim-220v\">RZ037-DIM 220V Ceiling Mount PIR Occupancy Sensor Dimmer<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Ceiling-mounted RZ037 PIR occupancy sensor dimmer for 220V power<\/li><li>3A maximum working current with 660W rated load<\/li><li>LUX button controls light-sensor ON\/OFF and user-set dimming brightness<\/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\/products\/rz037-dim-220v\">Product Details <\/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\/products\/rz037-dim-110v\"><div class = \"insert_product_card_image\"><img fetchpriority=\"high\" 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-300x300.jpg 300w, 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-150x150.jpg 150w, 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-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-100x100.jpg 100w\" sizes=\"(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\/products\/rz037-dim-110v\">RZ037-DIM 110V Ceiling Mount PIR Occupancy Sensor Dimmer<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Ceiling-mounted RZ037 PIR occupancy sensor dimmer for 110V power<\/li><li>3A maximum working current with 330W rated load<\/li><li>LUX button controls light-sensor ON\/OFF and user-set dimming brightness<\/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\/products\/rz037-dim-110v\">Product Details <\/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\/products\/rz047-12v-24v\"><div class = \"insert_product_card_image\"><img 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 ceiling mounted microwave motion sensor switch\" 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-1200-300x300.jpg 300w, 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-1200-150x150.jpg 150w, 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-1200-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-100x100.jpg 100w\" sizes=\"(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\/products\/rz047-12v-24v\">RZ047 12V\/24V 360-Degree Ceiling Microwave Motion Sensor Switch<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Low-voltage DC ceiling-mounted microwave motion sensor switch<\/li><li>12 VDC \/ 24 VDC input with 10-30 VDC range<\/li><li>10A max work current with adjustable time delay, Lux threshold, and sensitivity<\/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\/products\/rz047-12v-24v\">Product Details <\/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\/products\/rz047-10a\"><div class = \"insert_product_card_image\"><img 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 ceiling mounted microwave motion sensor switch\" 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-1200-300x300.jpg 300w, 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-1200-150x150.jpg 150w, 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-1200-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-100x100.jpg 100w\" sizes=\"(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\/products\/rz047-10a\">RZ047-10A 360-Degree Ceiling Microwave Motion Sensor Switch<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Higher-load ceiling-mounted microwave motion sensor switch<\/li><li>100-265 VAC line-voltage input, 10A model<\/li><li>5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity<\/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\/products\/rz047-10a\">Product Details <\/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\/products\/rz047-5a\"><div class = \"insert_product_card_image\"><img 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 ceiling mounted microwave motion sensor switch\" 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-1200-300x300.jpg 300w, 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-1200-150x150.jpg 150w, 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-1200-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz047-main-product-square-1200-100x100.jpg 100w\" sizes=\"(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\/products\/rz047-5a\">RZ047-5A 360-Degree Ceiling Microwave Motion Sensor Switch<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Ceiling-mounted microwave motion sensor switch<\/li><li>100-265 VAC line-voltage input, 5A model<\/li><li>5.8 GHz microwave sensing with adjustable time delay, Lux threshold, and sensitivity<\/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\/products\/rz047-5a\">Product Details <\/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\/products\/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 recessed ceiling PIR motion sensor top and side view\" 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-300x300.png 300w, 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-150x150.png 150w, 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-1536x1536.png 1536w, 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-1200x1200.png 1200w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-top-side-100x100.png 100w\" sizes=\"(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\/products\/rz038-12v-24v\">RZ038 12V\/24V 360-Degree Recessed Ceiling PIR Motion Sensor Switch<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Low-voltage DC recessed ceiling mount PIR motion sensor switch<\/li><li>12 VDC \/ 24 VDC input with 10-30 VDC range<\/li><li>Max work current 10A with adjustable time delay, Lux threshold, and sensitivity<\/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\/products\/rz038-12v-24v\">Product Details <\/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\/products\/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 recessed ceiling PIR motion sensor front view\" 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-300x300.png 300w, 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-150x150.png 150w, 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-1536x1536.png 1536w, 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-1200x1200.png 1200w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-100x100.png 100w\" sizes=\"(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\/products\/rz038-10a\">RZ038-10A 360-Degree Recessed Ceiling PIR Motion Sensor Switch<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Higher-load recessed ceiling mount PIR motion sensor switch<\/li><li>100-265 VAC line-voltage input, 10A model<\/li><li>360-degree detection with adjustable time delay, Lux threshold, and sensitivity<\/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\/products\/rz038-10a\">Product Details <\/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\/products\/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 recessed ceiling PIR motion sensor front view\" 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-300x300.png 300w, 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-150x150.png 150w, 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-1536x1536.png 1536w, 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-1200x1200.png 1200w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz038-main-front-100x100.png 100w\" sizes=\"(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\/products\/rz038-5a\">RZ038-5A 360-Degree Recessed Ceiling PIR Motion Sensor Switch<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Recessed ceiling mount PIR motion sensor switch<\/li><li>100-265 VAC line-voltage input, 5A model<\/li><li>360-degree detection with adjustable time delay, Lux threshold, and sensitivity<\/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\/products\/rz038-5a\">Product Details <\/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\/products\/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 wireless switch and receiver kit\" 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-1200-300x300.jpg 300w, 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-1200-150x150.jpg 150w, 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-1200-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2026\/06\/rz040-main-product-1200-100x100.jpg 100w\" sizes=\"(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\/products\/rz040\">RZ040 Wireless Switch and Receiver Kit<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Wireless switch and receiver kit for indoor ON\/OFF lighting control<\/li><li>100-230VAC, 50\/60Hz receiver with 5A rated current<\/li><li>CR2032-powered wireless switch with 2.4GHz communication<\/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\/products\/rz040\">Product Details <\/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\/products\/rz037-12v-24v\"><div class = \"insert_product_card_image\"><img fetchpriority=\"high\" 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-300x300.jpg 300w, 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-150x150.jpg 150w, 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-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-100x100.jpg 100w\" sizes=\"(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\/products\/rz037-12v-24v\">Ceiling Mount RZ037 12V\/24V DC PIR Occupancy Motion Sensor<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Occupancy (Auto-ON\/Auto-OFF)<\/li><li>12\u201324V DC (10\u201330VDC), up to 10A<\/li><li>360\u00b0 coverage, 8\u201312 m diameter<\/li><li>Time delay 15 s\u201330 min<\/li><li>Light sensor Off\/15\/25\/35 Lux<\/li><li>High\/Low sensitivity<\/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\/products\/rz037-12v-24v\">Product Details <\/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\">Shop Now <\/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\/products\/rz037-10a\"><div class = \"insert_product_card_image\"><img fetchpriority=\"high\" 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-300x300.jpg 300w, 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-150x150.jpg 150w, 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-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-100x100.jpg 100w\" sizes=\"(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\/products\/rz037-10a\">Ceiling Mount Line Voltage Occupancy Motion Sensor (RZ037-10A)<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Auto-ON\/Auto-OFF occupancy mode<\/li><li>100\u2013265V AC, 10A (neutral required)<\/li><li>360\u00b0 coverage; 8\u201312 m detection diameter<\/li><li>Time delay 15 s\u201330 min; Lux OFF\/15\/25\/35; Sensitivity High\/Low<\/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\/products\/rz037-10a\">Product Details <\/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\">Shop Now <\/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\/products\/rz037-5a\"><div class = \"insert_product_card_image\"><img fetchpriority=\"high\" 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-300x300.jpg 300w, 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-150x150.jpg 150w, 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-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/11\/rz037-front-view-100x100.jpg 100w\" sizes=\"(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\/products\/rz037-5a\">Ceiling Mount Line Voltage Occupancy Motion Sensor (RZ037-5A)<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Auto-ON\/Auto-OFF occupancy mode<\/li><li>100\u2013265V AC, 5A (neutral required)<\/li><li>360\u00b0 coverage; 8\u201312 m detection diameter<\/li><li>Time delay 15 s\u201330 min; Lux OFF\/15\/25\/35; Sensitivity High\/Low<\/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\/products\/rz037-5a\">Product Details <\/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\">Shop Now <\/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\/products\/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\/rz039-300x300.jpg 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-1024x1024.jpg 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-150x150.jpg 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-768x768.jpg 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-1536x1536.jpg 1536w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-1200x1200.jpg 1200w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/08\/rz039-100x100.jpg 100w\" sizes=\"(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\/products\/rz039\">Wireless Motion Sensor Kit<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>100V-230VAC<\/li><li>Transmission Distance: up to 20m<\/li><li>Wireless motion sensor<\/li><li>Hardwired control<\/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\/products\/rz039\">Product Details <\/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\/products\/rz050-dp\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"1600\" height=\"1600\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp.jpg\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp.jpg 1600w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp-300x300.jpg 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp-1024x1024.jpg 1024w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp-150x150.jpg 150w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp-768x768.jpg 768w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp-1536x1536.jpg 1536w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp-12x12.jpg 12w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp-1200x1200.jpg 1200w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/rz050-dp-100x100.jpg 100w\" sizes=\"(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\/products\/rz050-dp\">Dual Power Air Conditioner Motion Sensor RZ050-DP<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>Voltage: 2x AAA Batteries \/ 5V DC (Micro USB)<\/li><li>Day\/Night Mode<\/li><li>Time delay: 15min, 30min, 1h(default), 2h<\/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\/products\/rz050-dp\">Product Details <\/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\/rz050-dp\">Shop Now <\/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\/products\/eu-usb-power-adapter\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"605\" height=\"491\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/eu-power-adaptor.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/eu-power-adaptor.png 605w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/eu-power-adaptor-300x243.png 300w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/eu-power-adaptor-15x12.png 15w\" sizes=\"(max-width: 605px) 100vw, 605px\" \/><\/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\/products\/eu-usb-power-adapter\">EU USB Power Adapter<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>EU plug power adapter<\/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\/products\/eu-usb-power-adapter\">Product Details <\/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\/usb-power-adapter\">Shop Now <\/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\/products\/uk-usb-power-adapter\"><div class = \"insert_product_card_image\"><img loading=\"lazy\" decoding=\"async\" width=\"605\" height=\"632\" src=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/uk-power-adaptor.png\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"\" srcset=\"https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/uk-power-adaptor.png 605w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/uk-power-adaptor-287x300.png 287w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/uk-power-adaptor-11x12.png 11w, https:\/\/staging.rayzeek.com\/wp-content\/uploads\/2025\/04\/uk-power-adaptor-300x313.png 300w\" sizes=\"(max-width: 605px) 100vw, 605px\" \/><\/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\/products\/uk-usb-power-adapter\">UK USB Power Adapter<\/a><\/h4><\/div><div class = \"insert_product_card_bullet_points_wrapper\"><div class = \"insert_product_card_bullet_points\"><ul><li>UK plug power adapter<\/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\/products\/uk-usb-power-adapter\">Product Details <\/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\/usb-power-adapter\">Shop Now <\/a><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><p>While UL does not have the authority to approve or reject a product for production, many governmental agencies, including federal, state, and local authorities, require UL testing as a prerequisite for official approval. These agencies may have their own specific standards and regulations, such as municipal building codes, which necessitate UL testing to ensure compliance.<\/p><div class=\"insert_portfolio_outer_wrapper\"><h3>Get Inspired by Rayzeek Motion Sensor Portfolios.<\/h3><p>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.<\/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 Motion Sensors<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/motion-sensor-switches\"><p>\u52d5\u4f5c\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>Air Conditioner Motion Sensor<\/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\u4f5c\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>Low-voltage DC Motion Sensors\/Dimmers<\/p><\/a><\/div><\/div><div class = \"insert_portfolio_button_wrapper\"><div><a href=\"https:\/\/www.rayzeek.com\/product-category\/wireless-motion-sensors\"><p>Wireless Motion Sensor Kits<\/p><\/a><\/div><\/div><\/div><\/div><p>UL&#8217;s scope of testing extends beyond light fixtures to encompass a wide range of products and systems that contribute to safety. From home electronics and audiovisual equipment to plumbing equipment, information technology devices, and medical devices, UL provides diagnostic testing services for billions of products worldwide. Products that successfully pass UL&#8217;s rigorous testing process are awarded the UL Mark, indicating that they have met the necessary safety and performance standards.<\/p><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\">Frequently Asked Questions<\/h2>\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\"><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-voids-a-ul-certification\">What Voids a UL Certification<\/h3><\/div><\/div>\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\"><p>Products that have been found to have misused UL Marks, products that cannot be installed according to the appropriate model installation code, products that do not seem to meet the requirements for investigation and certification, and products that display a fake UL Mark can all void a UL certification.<\/p><\/div><\/div><\/div><\/div>\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\"><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-why-is-it-important-that-an-electrical-device-has-a-ul-listing-on-it\">Why Is It Important That an Electrical Device Has a UL Listing on It<\/h3><\/div><\/div>\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\"><p>The presence of a UL Listed seal on an electrical device signifies that the product has undergone thorough testing by UL, ensuring that it meets nationally recognized safety and sustainability standards. Furthermore, it guarantees that the device is free from any potential risks of fire or electric shock, even in a Division 2 environment.<\/p><\/div><\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Underwriters Laboratories (UL) is a globally recognized, not-for-profit testing laboratory and certification organization that specializes in conducting rigorous tests on the quality and safety of various products, including light fixtures.<\/p>","protected":false},"author":4,"featured_media":12861,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"article_term":"","article_term_alternate":"","article_term_def":"","article_hook":"","auto_links":"[{\"keyword\": \"light fixtures\", \"idxall\": 1, \"keywordtitlesimi\": 0.8264877796173096, \"keywordslugsimi\": 0.8264877796173096, \"paratitlesimi\": 0.5426712036132812, \"paraslugsimi\": 0.5426712036132812, \"slug\": \"what-is-lighting-fixture\", \"title\": \"What is Lighting Fixture\", \"id\": 14138}, {\"keyword\": \"UL Mark\", \"idxall\": 0, \"keywordtitlesimi\": 0.8160688877105713, \"keywordslugsimi\": 0.8160688877105713, \"paratitlesimi\": 0.6721065044403076, \"paraslugsimi\": 0.6721065044403076, \"slug\": \"what-is-ul-label\", \"title\": \"What is UL Label\", \"id\": 14366}, {\"keyword\": \"light fixtures\", \"idxall\": 1, \"keywordtitlesimi\": 0.8062808454036713, \"keywordslugsimi\": 0.8062808454036713, \"paratitlesimi\": 0.548146203160286, \"paraslugsimi\": 0.548146203160286, \"slug\": \"bedroom-lighting-buyer-guide\", \"title\": \"Bedroom Lighting Buyer Guide\", \"id\": 8741}, {\"keyword\": \"light fixtures\", \"idxall\": 1, \"keywordtitlesimi\": 0.8012227356433869, \"keywordslugsimi\": 0.8012227356433869, \"paratitlesimi\": 0.4744768247008324, \"paraslugsimi\": 0.4744768247008324, \"slug\": \"bedroom-with-perfect-lighting\", \"title\": \"Bedroom With Perfect Lighting\", \"id\": 11106}, {\"keyword\": \"UL Mark\", \"idxall\": 0, \"keywordtitlesimi\": 0.7795357704162598, \"keywordslugsimi\": 0.7795357704162598, \"paratitlesimi\": 0.6484388709068298, \"paraslugsimi\": 0.6484388709068298, \"slug\": \"what-is-ul-listing\", \"title\": \"What is UL Listing\", \"id\": 13811}, {\"keyword\": \"uniform standard of results\", \"idxall\": 0, \"keywordtitlesimi\": 0.7643406391143799, \"keywordslugsimi\": 0.7643406391143799, \"paratitlesimi\": 0.6242064237594604, \"paraslugsimi\": 0.6242064237594604, \"slug\": \"what-is-uniformity\", \"title\": \"What is Uniformity\", \"id\": 12948}, {\"keyword\": \"light fixtures\", \"idxall\": 1, \"keywordtitlesimi\": 0.763200044631958, \"keywordslugsimi\": 0.763200044631958, \"paratitlesimi\": 0.5231720209121704, \"paraslugsimi\": 0.5231720209121704, \"slug\": \"what-are-pull-down-light-fixture-parts\", \"title\": \"What are Pull Down Light Fixture Parts\", \"id\": 14009}, {\"keyword\": \"light fixtures\", \"idxall\": 1, \"keywordtitlesimi\": 0.7563693523406982, \"keywordslugsimi\": 0.7563693523406982, \"paratitlesimi\": 0.5976543426513672, \"paraslugsimi\": 0.5976543426513672, \"slug\": \"what-is-fixture-lumens\", \"title\": \"What is Fixture Lumens\", \"id\": 14133}]","article_topic":"","article_fact_check":"","mt_social_share":"","mt_content_meta":"","mt_glossary_display":"","glossary_heading":"","glossary":"Underwriters Laboratories (UL)","glossary_alter":"","glossary_def":"","article_task":"","footnotes":""},"categories":[102],"tags":[99],"class_list":["post-14219","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 - 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