[Two in One Car Heater and Cooler] - With a hot and cold switch. This car heater is not only suitable for defrosting/demisting car windows and windshields. But it can also be used as a cooling fan.[Easy to install. use and efficiency high] - There is no need to wait for the engine to warm up within 60 seconds to heat up the car atmosphere. Defrost or demist windows quickly and efficiently so you can achieve destination on the road.[Intelligent design] - equipped with from a rotating support to; 360 degrees, which can be adjusted freely to your way. The large air outlet provides a large air surface area for rapid heating or cooling. You can adjust it to; the angle you want. The base can be installed with double-sided tape and the radiator can be fixed. to your favorite position, which is convenient and comfortable to wear. use.[High quality material, full protection] -High quality ABS material, sturdy and resistant to damage. heat, use cigarette lighter socket, built-in fuse, automatic power-off protection, resistor; voltage, safer to use, no damage to the battery, small size, not installed in the car blocking the line of sight, humanized design, energy saving and low consumption.[Wide Application] - Widely used; in common equipment such as cars, trucks, vehicles, air conditioners, etc. Suitable for; all 12V vehicles in the car, camping trips, defogging/defrosting in winter, cool in summer.