In European Road Safe Rules, it specifies the HID headlight light bulb need to set up with a projector. In projector housing, the lens utilized is arched lens, whose surface is a form of a ball. On its both side of the lens is rounded in a…

In several HID front lights light bulb, there is a "K" marked at the end of the shade. "K" represent for Kelvin, it is a device step of shade temperature level. Various number indicates different shade style. Which color you get that depen…