Specifications: Package: two pieces / one pair Voltage: DC 12-24V Color Temperature: 6500K (White Light) Wattage:40W Lumen : 12000LM/PAIR (there may be ±5% difference with the data) IP Rate: IP 68 Operating Life: 30000hrs Operating Temperature: -40 - +80 Centigrade Application: Headlamp Lamp High or Low Beam, fog lights Plug Type: H1,single Beam H4,Hi-Lo Beam , 360 degree adjustable H7,single Beam , 360 degree adjustable H11,single Beam 9006(HB4),single Beam 9005(HB3),single Beam 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, especially Kia and Hyundai)) Canbus: Error Free for 95% Cars. ((Not fit to special cars, for example: not for all the Germany cars, not for Seat, not for Volvo, not for Scania and so ) ) So for most of the cars, dont need to buy external canbus.