The light intensity of the LED bulb is 80,000 DC. The DC of LED lights means that the power supply is direct current. LED car lights refer to car lights that use LED (light-emitting diodes) as the light source. LED car lights refer to the use of LED technology as light sources inside and outside the car for exterior and interior lighting. Exterior lighting equipment involves thermal limits and EMC issues, as well as many complex criteria for unloaded load testing.