1.【2 in 1 car heater and cooler】：With hot and cold switch. This car heater is not only ideal for defrosting/demisting windows and windshields. But also can be used as a cooling fan. 2.【Easy Operation and Efficient Heating】：You can heat your car's atmosphere without having to wait for the engine to warm up within 60 seconds. Effectively defrosts or defogs your window quickly. 3.【Smart Design】：It comes with a 360 degree rotatable bracket designed for free adjustment as you like, the large outlet provides a large air area, which heats up or cools down quickly. You can adjust it to your favorite angle. The base can be installed with double-sided adhesive, you can fix the heater in your favorite position, which is convenient and comfortable to use. 4.【Premium Material】：Made of quality ABS material, sturdy and heat resistant, use cigarette lighter socket, no damage to the battery. The small size allows it to be installed in the car without blocking the line of sight. User-friendly design which is energy efficient with low consumption. 5.【Wide Application】：Widely used in cars, trucks, vehicles, air conditioners and other commonly used appliances.