Rapid heating and cooling: Our car fan heater provides rapid cooling and heating. Use stronger cold air to cool the car and heat the car in 60 seconds. Cold waits for no one.Multi-function: Not only can cool your car in summer, but also can warm your car in winter. It is designed to defrost quickly and can even remove snow from a vehicle's windshield. Therefore, you can maintain clear vision while driving. Easy to install and use: Due to its small size and small size, this car radiator is very practical. Simply plug it into the car's cigarette lighter socket. Press the fan or heater switch to start the fan. High quality; : Suitable for long-distance travel or camping. Our car radiators are manufactured with high quality. Made from high quality materials and high quality copper wire, the service life is longer than other products. Long transmission distance, long transmission distance, low power consumption and more energy saving. Available all year round: adjustable wind mode. This car fan has two wind modes. The switch indicates fan or heat. Fan mode can be used in summer. And winter heating mode. Available all year round.