"Slim" HID Kit by Kensun with Xenon Lights, H4 Dual-Beam Bi-Xenon, 4300K - 2 Year Warranty 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, Relay harness, Installation instructions, Smart aluminum carry-case HID Xenon for both high and low beams Produces 2 to 3 times as much light as a halogen bulb