O-NEX Xenon H1 Digital HID Conversion Kit 35W AC Slim Ballasts 6000K Crystal White Bulbs Digital AC HID System with Slim Ballasts, Xenon Gas filled, Real HID Bulb. Super bright 3500 lumen produces up to 3x brighter than halogen, improve visibility, up to 5000-hour life expectancy. Simple Plug and Play installation, usually takes 20 minutes or less (some cars may require modification or professional installation). 100% Waterproof 100% Dustproof 100% Shockproof .3X Brighter than Halogen Bulbs. Lasts 5X Longer. 35% Less Power Consumption. Cross Reference Number: H1, H1ST, H1XV; used for replacing the stock headlight or fog light lamps, please DOUBLE CHECK with owner's Manual.