BULB SIZE H4 POWER 90 W /PAIR (45 W -BULB) LUMWN 18000LM/PAIR (9000LM-BULB) COLOR Temperature 6500K FAN SPEED 12000 RPM Operating Voltage DC9V-32V Operating Temperature -40c+80c Heat Dissipation copper substrate heat conduction+double pure copper heat pipe CAN BUS Decode support WATERPROOF level IP68 MATERIAL 6063 AVIATION ALUMINUM LIFESPAN > 100000 Hours WARRANTY ONE YEAR