Product information: Material: ABS plastic Features: Quickly heat up your vehicle. No need to wait for the engine to warm up. This 12v car heater defroster can quickly heat the air in the car without waiting for the engine to warm up. It uses a car cigarette lighter socket, which allows you to defrost/melt windows quickly and efficiently, so you can go to your destination on the road. If you are late in a traffic accident, you can also stay warm without running the engine. It can also be used as a fan to cool you down only in summer. Just plug it into the cigarette socket of the vehicle and turn it on.