High-quality portable car heater: the portable car heater is made of ABS material, high heat conversion, no open fire, safe and instant heating. The cigarette lighter plug is built with a fuse for safe use to ensure automatic shutdown. 2-in-1 fan heater/cooling fan: this windscreen dehumidifier with dual air function, with two switches of natural air and hot air that can be changed as desired. This car heater not only defrosts / defogs the windows and windscreen, but can also be used as a cooling fan in summer. You just need to replace the switch and the hot or cold wind will be released immediately. No installation required: this car heater cooler fan is equipped with a foldable bracket that allows a 360 rotation of the heater. Place the holder on a non-slip mat or fix it with double-sided tape during use, or simply place the heater in the car cup holder. The angle of the air blower can be adjusted by approx. 90 degrees up and down, and the left and right sides can be adjusted by approx. 360 degrees. Safe, automatic electronic heating: this 12 V 150 W fast heating defrost defogger uses cigarette lighter plug design, built-in fuse, automatic shutdown, anti-voltage, safe use. User-friendly design, energy saving with low consumption. Wide application: widely used in car, truck, vehicle, air conditioning and other commonly used devices. Suitable for all 12V vehicles in the car in winter for defrosting/defrosting in winter.