Traditional Culture Encyclopedia - Photography major - What does the led light 400w mean?

What does the led light 400w mean?

The power of LED lamp is 400 watts. LED lamp 400W means that the power of LED lamp is 400W. Watt is the unit of power in the international system of units, which is used to describe the efficiency of electric energy conversion. LED(LightEmittingDiode) is a semiconductor light-emitting device, which generates visible light by carrier excitation. LED lamps are widely used in the lighting field because of their advantages of high efficiency, energy saving and environmental protection.