Race Sport H7-6K-G4-CANBUS G4 HID Single Beam Conversion Kit SLIM weatherproof design for easy installation Error light prevention circuitry built in High quality dual igniter system insures reliable initial start of the 35W ballast's 23,000 Volt HID power supply Designed for CANBUS system OBD vehicles - model year 2005 and newer Kit includes: (2) 35W CANBUS Ballasts, (2) 35W High Quality HID Bulbs, Mounting Brackets/Hardware, Instruction Card AM/FM Radio interference prevention circuitry built in