Xenon HID lamp with three times brighter than the common lamp. Suit for high-grade cars and trucks.(Audi A4,Mercedes-Benz,BMW) 1.UV-blocking quartz glass for headlight protection.2.Xenon Lamp do not have a filament,but creat light by the arc between two electrodes.3.Xenon HID Lamp Start up time:can reach 70% of the standard brightness within 2 second,can reach 80% of the standard brightness ...