The general term of lamps for emergency lighting. The fire emergency lighting system mainly includes emergency lighting, emergency exit signs and indicators, which are set to guide the evacuation of trapped people or carry out fire fighting and rescue operations after the normal lighting power is cut off in case of fire.

Ceiling lamp is a kind of lamp. As the name suggests, it is called ceiling lamp because the upper part of the lamp is flat and the bottom is completely attached to the roof during installation. Light sources include ordinary white bulb, fluorescent lamp, high-intensity gas discharge lamp, halogen tungsten lamp, LED, etc.