9006/HB4 LED Headlight 9 to 40 Volts No Polarity. Works either positive ground or negative ground. Up to 6,0000 Lumens per bulb. Uses about 23 watts. Power consumption if 1.91 amps at 12 volts. Works from 9 to 40 volts. Long life up to 30,000 hours. Maximum 45 volts. Load equalization maybe required. 2 year warranty. Includes two bulbs per package.