LED Headlight Bulbs AUTOLOVER LED Headlight Bulbs Conversion Kit- H4 (9003 Hi/Low) -CSP LED 8000Lm 6500K Cool White CREE Plug Type: H4/HB2/9003,Hi-Lo Beam. Power(per set): 50W@low beam,50W@high beam. LED Quantity(each bulb): 12pcs*PHILIPS CSP LED chips. Operating Voltage: DC 9-32V(fit 12V/24V vehicle). Luminous Flux(per set): approx. 8000lm@ low beam,8000lm@high beam. Color Temperature: Cool White 6500K. IP65 water and dust seal,360 degree beam angle. Operating Temperature: -40-80 degree Celsius. Material: aviation 6063 aluminum profile. Above 30,000 hours life time. Imported CSP chips---high Optical density & low heat resistance, enhance light efficiency up to 95%. Fan-less design without ballast,no noise caused by fan. Constant current instant start up, no circuit interference and electromagnetic radiation. The latest technology to ensure a perfect beam pattern without any dark spots or foggy light.Precise progressing light shield for clear cut-off line,will not dazzle on-coming traffic. Advanced heat conduction system+unique grooved heat sink fins keep the light bulb in appropriate working temperature. Easy installation: Can be installed in 20 mins. plug and play. These bulbs are CanBUS-Ready and will work with most vehicle's computer system without error. If you are not sure whether the right, please contact us before purchase.