This is a single HID xenon headlight bulb for a front headlamp, shown out of the car. The glass tube and metal base look clean with no visible cracks, heavy burning, or broken connector pins in the photo. Only the bulb in the picture is included; no ballast, igniter, control unit, seals, or housing are shown. It appears to suit a D2S/D2R-style HID setup, but you must match the exact marking on your old bulb and your car's headlamp type before buying. Check the base code, wattage and voltage, connector shape, whether your car uses a projector or reflector headlight, and whether the fault is the bulb, igniter, or ballast. If you are unsure, remove the old bulb and compare part numbers first.