XenTec HID conversion kit 9006 (HB4) 6000K Single Beam Xenon (ultra white) Plug-'n-Play - installs in 20 minutes or less (no wire-cutting or special skills required 100% Water-proof, 100% Dust-proof, 100% Shock-proof Included in kit: 2 Regular ballasts, 2 HID bulbs, Zip Ties and Instruction Manual For "off-road" use only! Produces 2 to 3 times as much light as a halogen bulb