CANBUS ballast 1.realibility,anti-interference 2.low defective rate 3.stable brightness 4.excellent heat removal ... rid of the CB radio interference and other communication devices.2.The ballasts have passed the strictest tests and comply with ... ,9007-3,H13-3 (helogen and xenon) H4-2,9004-2,9007-2,H13-2 (D series bulbs) D1S,D2S,D3S,D4S,D1R,D2R,D3R ...