Outlets design ensure a fast cooling and heating. With a high-performance fan, you can heat the air quickly without waiting for the engine to warm up. Intelligent design, using cigarette lighter plug design, built-in fuse, automatic power-off protection,safer use.Heating and Cooling Function.Windshield Demister can quickly clear mist or frost of the car windshield by heating the air.Car Heater also can be used as a fan to cool your car in the summer,keep you cool in the summer and warm in the winter.With 360 degree rotate supporting holder and a convenient handle, you can adjust the direction of the warm air with ease.Simply take it out of the box and plug into your 12V car cigarette lighter socket. Press the fan or heater switch and starts working.the base can be stood on the non-slip mat, or install it with double-sided adhesive.Large and fixed air outlets to make the warm air more direct and thorough, and quickly warm the inside of the car.Instant heating, automatic overheat protect. Ideal for long trips or camping, Heating Fan Defroster are widely used at car, truck, vehicle and other commonly used appliances. This car fan has two mode of wind. The switch show fan or heat, High-temperature heat outlet for the heater can ensure fast heating and convenient warming effect.Suitable for all 12V vehicles in the car, camping and travel de-fogging or defrosting.