GENSSI Premium AC CANBUS HID KIT Bright Xenon Light Conversion (H7, 6000K White) Complete kit with 2 bulbs, 2 ballasts and basic wiring to make your connections. CANBUS ballast are designed to work with 99% of vehicles, preventing dash errors and flickering issues. Tested & Approved with late model BMW, Audi, Mercedes, Dodge and more. CANBUS Ballast Technology ensures trouble free operation with vehicles with computer controlled lighting systems such as many modern vehicles including european and domestic. Meets vehicles original wattage requirements of 35W-55W 4000 Hours Maximum Rating with CE/FCC/ROHS Electronics OEM-Grade UV Cut Quartz Xenon Bulbs.