2 in 1 Cooling and Heating FunctionThis car driver defroster can quickly remove fog or frost on the car windshield by warming the air. It can also be used as a fan to cool your car in the summer. cool summer and cold winter heat Low Noise You drive the car, talk on the phone or listen to the radio without excessive interruption; Automatic heating function saves energy with low consumption, this car windshield heater has overheat protection, quiet operation, air purification Easy to Install and UsePlug and play, the base can be installed with double-sided tape, just plug it into the car cigarette lighter and open it; The 180 swivel bracket is designed for free adjustment; very convenient and easy to use Highly Efficient-Fast HeatingThe powerful windshield defroster can quickly warm the air without waiting for your engine to warm up; Just plug in the cigarette lighter to quickly and effectively defrost or defog your windows Heat Resistant and SturdyMade from heat-resistant ABS material, this powerful and sturdy fan is sturdy, not easy to age, to ensure maximum strength and durability for long time use