[Fast Heating] - This powerful car heater can quickly heat the air within a few minutes, warming your winter. Effectively keep the sight of the windshield clear and prevent fog or frost from blurring of sight. [Heating & Cooling] - Designed to quickly remove frost and mist on the windshield of the vehicle, this Portable car heater has two setting modes: heating and cooling. It is perfect for defrosting/demisting window&windscreens in winter. It can also be used as a car fan to cool your car in summer. [Easy To Install] - Simply connect the portable car heater to the socket of the vehicle and switch to heat or fan(Make sure your car has a 12V lighter port). This defrost and defog car heatercomes with a 180° rotate supporting suction holder, follow control, more convenient and comfortable. [Intelligent design] - Our windshield defroster Using lighter plug design, built-in fuse, automatic power-off protection, anti-voltage, use. Low energy consumption, low noise, strong wind, can help