Specifications: Voltage: DC 12V Color Temperature: White(6000K - 6500K) Lumen : 12000LM/PAIR Light Power: 72W/PAIR IP Rate: IP 68 Waterproof, Dustproof. Operating Life: >30000hrs Operating Temperature: -40 - +80 Centigrade Application: Headlamp Lamp High or Low Beam, Fog Lights, Motorcycle Headlight. Plug Type: Hi-Lo Beam: H4 Single Beam: H1, H3, H7, H11, 9005(HB3), 9006(HB4), H27=880=881. Please try to adjust the bulbs to get a better light pattern when installing. Adapter: Our bulbs are stardand connectors, please buy the adapters in our store if your car need adapters. (some cars using H7 may need adapters) Canbus: Error Free for 95% Cars. ((Not suit for special cars, for example: not for the Germany cars, not for Seat, not for Volvo, not for Scania and so on...) ) So for most of the cars, don't need to buy extra canbus.