... ,Truck light,HID driving light HMW-4001 1.Spot beam 2.HID ballast built ... .12v/24v,35w/55w 4.PLASTIC. HID work lamp,HID driving light,Truck light HMW-4001.Spot beam.HID ballast built ... light resource easily, Place ballast inside lamp8): The valid irradiation distance is much more longer than normal bulb9): One year warranty