Heating and Cooling FunctionCar heating fan / 12V car automatic cooling fan which can provide natural wind and heating wind, has fast heating and fast cooling function 2 in 1, can quickly remove fog or frost from the car windshield by heating the air. Efficient and Quiet OperationThe car defroster heater fan can remove fog quickly, heat up quickly in 30 seconds or cool quickly, and offer high-power air blowing. And this car defogger works quietly without noise. Save Energy Output: max.150W. Operating voltage: 12 V direct current. Power supply: 12 V car cigarette lighter connector. Easy UseThe windshield heater defroster uses double-sided adhesive, or just plug it into your car 12V cigarette lighter socket and turn it on, it starts working quickly.Perfect for heating, cooling, demisting and defrosting car air. 360Rotating and Long CableThe portable car heater has a 360 degree rotating bracket that can be used for easy adjustment and steering, and a long cable (about 140cm), it can be rotated to blow where you want.