Specifications:
Package: one pair.
Voltage: DC 12V
Color Temperature: High Beam (6000K) + Low Beam (3000K+4300K+6000K)
Lumen :
12000LM;
Light Power: 60W
IP Rate: IP 68
Operating Life: >hours
Operating Temperature: -40 - +80 Centigrade
Application: Headlight: Foglamp, High Beam or Low Beam
Plug Type:
High Beam + Low Beam: H4.
Canbus: Error Free for 95% Cars. ((Not fit to special cars, for example: not for all the Germany cars, and not for Seat, not for Volvo, not for Scania and so ) )
So for most of the cars, dont need to buy external canbus.