An E26 bulb, also known as a Medium Edison Screw (MES), is a type of light bulb commonly used in the lighting industry.

A reflector is a device used to manipulate and control the direction of light. It consists of a surface that reflects and redirects existing light, rather than creating light itself.

A flood light is a high-power lighting fixture that is primarily used outdoors to provide a wide and intense beam of light.

A ghost light is a term to describe a single lamp that is left illuminated on stage when the theater is not in use.

Dual voltage refers to lighting fixtures or systems that are designed to operate on two different voltage levels. Typically, these voltage levels are 12 volts (DC) and 120 volts (AC).

A ring light is a circular lighting device that is specifically designed to fit around a camera’s lens or is large enough to shoot through it.

A clearance light is a type of vehicle lighting used primarily in trailers, car carriers, and semi-trailers. Its main purpose is to mark the outer contour of the vehicle, providing crucial information to other drivers about the size and dimensions of the vehicle, particularly during nighttime and unfavorable weather conditions.

Rated life, in the context of the lighting industry, is the estimated duration or lifespan of a lighting fixture before its light output significantly diminishes.

Dark adaptation is the process by which the eyes adjust and recover their sensitivity in low light conditions after being exposed to bright lights.

Center Beam Candlepower (CBCP) is the luminous intensity at the center of the beam emitted by a lamp or luminaire. It is a metric used to measure the concentration of light in the central area of the beam.