High - Low Beams HID Xenon Headlight AC Conversion Kit by Kensun - H4 (HB2) (9003) Bi-Xenon - 8000K Simple installation - Usually in 20 minutes or less (some vehicles may require a professional installation) Ballasts are 100% Water-proof, 100% Dust-proof, 100% Shock-proof HID Xenon for both high and low beams Included in kit: 2 slim digital ballasts, 2 bulbs, installation instructions Produces 2 to 3 times as much light as a halogen bulb