●Hollow design: the portable car air heater has a hollow tail, a large air volume, a quick heat dissipation, a more convenient defrosting and defoging. ●Good performance: double PTC heating elements for fast heating, imitation aircraft turbine shape, unique air duct mesh cover, air supply over long distances. ●Main purpose: 12V 120W car heating windscreen dehumidifier, for heating and cleaning the air in the car, convenient and practical. ●Easy to use: the heating of the car is equipped with automatic control and constant temperature, which is safe and reliable to use. ●High efficiency: an alloy heating wire with high heat conversion rate, high pressure resistance, fast temperature rise and slow ageing.