... reflector with convex imaging theory,it can be switch the high and low light by the electromagnetic drive.Safe and reliable features ... function,proportion shadow,safer driving. (3)Work with digital control switch function and HID BI-xenon lampholder,when you install it ... you feel like driving in the daytime. (8)Light color: golden light, sun light, sky blue, light blye, dark blue,pink, green, purple etc ...