Kensun Low Beam HID Xenon Brilliant Headlight AC Conversion Kit - H11-10000K 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 Included in kit: 2 slim digital ballasts, 2 bulbs, installation instructions Produces 2 to 3 times as much light as a halogen bulb