Cold and heat, dual purpose: Our 12V portable car heater is available year-round. This portable car heater is not only ideal for dehumidifying/defrosting windshields, but can also be used as a cooling fan in the summer. With the unique 360° rotating bracket, you can adjust the air outlet to any angle to ensure optimal heating or defrosting of your car window. Safe and durable: This portable car heater and defroster is made of heat-resistant ABS and hard polymer plastic with high-quality cables for durability, a long lifespan, energy efficiency, and low noise. The car heater is equipped with a cigarette lighter plug, a built-in fuse, and automatic shut-off protection, making it safer to use. Easy to use: The car heater is very convenient and easy to operate! Simply plug it into your car's cigarette lighter socket and switch it to heat or fan mode (make sure your car has a 12V cigarette lighter port). It can quickly and effectively defrost or demist windows. Protect your driving: This