... Discharge (HID) is a type of lighting technology that replaces the filament of the light bulb with Xenon gas. ... ) that gives it its distinct color & appearance.HID Xenon Lamp 1.Product advantages:a)short circuit protectionb)low ... compatible with original halogen system Bulb type availableH1,H3,H4(h/l), Bi-xenon,H7,H8/9/10/11 ... ,H3,H4,H7,H11,H11B,H15,5202,5259,xenon lamp kits.D1S(new product),D2S/C,D4S/ ...