[2 IN 1 HEATING AND COOLING FUNCTION]Windshield Demister can quickly clear mist or frost of the car windshield by heating the .Car Heater also can be used as a fan to cool your car in the summer,keep you cool in the summer and warm in the winter ; [SAFETY, COMFORT AND ENERGY SAVING] When heating, no fire, no oxygen consumption, healthy and comfortable, not easy to aging, oxidation, and long service life. Energy saving and saving. The conventional model has two functions: natural wind and warm wind, switch position: FAN natural wind, OFF, HEAT heating wind.The lighter plug and heating block will not hurt the car. It can be rotated 360° to quickly defrost and remove fog ; [MUTIFUNCTION USE]Perfect for in-car, camping and caravanning,keeps you warm in the winter.High-temperature heat outlet for the heater can fast heating and convenient warming effect.Suitable for all 12V vehicles in the car, camping and travel de-fogging or defrosting. Very useful in winter ; [FAST HEATING]With a