H3 LED Headlight DC 9 to 40 Volts. Up to 1700 Lumens per bulb. Works only negative ground. Uses about 1.25A at 12 volts. 15 LED watts of power per bulb. Operates from 9 to 40 volts DC. This bulb is not dimmable due to the wide voltage range. Up to 30,000 hours life. Available in White 6000K. Comparable to a 45 to 55 Watt halogen light bulb. This bulb may require load equalizers. 45 volts is the Maximum voltage. Please see warranty details below. Includes two bulbs per package.