Automobile demister can quickly solve the car glass fog.Quickly heats the air or used as a fan to cool you in the summer. Can enjoy the cool in the hot summer, and Enjoy warm the cold winter, Environmental benefits. Just plug it into your vehicle’s cigarette socket and turn it on.A 180° rotary holder is designed for free adjustment, which is very convenient and practical.Offering a high powered fan, which can quickly heat the air without having to wait for your engine to warm up. This saves time and energy by using your car's alternator to keep the heater powered instead of gas! Ideal for in-car, camping & caravanning. Fit For all 12V Vehicle Cars. A scientific high-temperature heat outlet for the heater can ensure fast heating and convenient warming effect.