9006 6000k Xenon White 35w HID OEM Headlight Bulb Conversion Kit With Slim Ballast 2 slim digital ballasts, 2 bulbs, Produces 2 to 3 times as much light as a halogen bulb genuine xenon conversion for less then a pair of halogen bulbs at walmart HID lights provide greater light output with much less power consumption. Studies show that a 35w HID lamp produces 3 times as much light than a 55w halogen bulb. Also, a halogen bulb uses a continuous power draw of 10-15 amps, while the HID system uses 20 amps for ignition, but then drops to a mere 3 amps during operation