A cold car can cause a lot of problems, especially in an emergency situation. Thats why this officially licensed American Red Cross auto heater/defroster is a winter weather must. It plugs into your vehicles 12V power port and begins heating your vehicles interior immediately. No more waiting for the engine to warm up. It also works to defrost windows quickly and efficiently, allowing you to get on your way. Includes swivel base that allows you to put the heat right where you need it.