... gel,and a user manual.(If you want ballast, we can supply)..Power parameter:HID burner parameter ... it can be switch the high and low light by the electromagnetic drive.Safe and reliable ... make sunlight at night. (4)Low light shadow distinguish between light and shadow, Clear cut line with ... like driving in the daytime. (8)Light color: golden light, sun light, sky blue, light blye, dark blue,pink, green, ...