CAR ROVER H4 9003 40W 8,000LM(4000LM Each Bulb) 6,000K CREE LED Headlight Conversion Kit Super Bright Cool white Lamp Light Bulbs with No Error CanBus Technology Canbus Function , we are the only one can ensure our LED with error free function. Crystal clear 6000K white light 40W With 8,000Lm (4,000Lms per bulb),Over 30,000 hrs of brilliant continuous light. 2 pairs light cover, standered with 6000k. LED lighting without dark spots! Improved MHC heat control with RedLine driver and TurboCool fan to ensures your bulbs last longer than your car! Works underwater! Rainproof driver, housing, and fan works even in extreme situations Easy Installation, Can be installed in 20 mins right out of the box!