Fits H4 female socket. Up to 20 Watts of power. 12 Volt DC. Comparable to a 180 Watt incandescent light bulb. M2S HID Xenon bulb style for perfect fit every time. Long life up to 30,000 hours. CE and Rohs listed. Available in White 6000-6500K. Since led lights are solid state you do not have to worry about broken glass filaments. Since only uses 20 Watts of power saves the life of the battery so you can leave your headlights on longer. Up to 1400 Lumen output. Comes 1 headlight bulb per package. At 12 volts, high and low beam draw 1.3 Amps, at 13.8 volts, high and low beam draw 1.16 Amps. Overall Length: 91.5 mm, Maximum Diameter: 35 mm. Comes with internal fan to keep the aircraft grade aluminum cool.