Kensun HID Xenon Replacement Bulbs - H7 - 6000k - 2 Year Warranty Important: This product is only compatible with cars with an HID system already installed. Otherwise a conversion kit is necessary. 100% Water-proof, 100% Dust-proof, 100% Shock-proof Produces 2 to 3 times as much light as a halogen bulb Superb night-time visibility Comes with a 2-year warranty