... is up to u auto hid xenon lampComposed of: Two single-lamp, 2 ballast, bracket, outer boxDescription: HID is High intensity Discharge ... HID abbreviation, can be called heavy metal lamp or xenon lamp. Its principle is anti-ultraviolet UV-cut crystal quartz ... , 000 times the number of strobeThe advantages of HID Xenon lamp: Better reflection of road signs, conducive to safe driving. ...