[2 In 1 Modes Car Heater] Adjustable hot and cold switch.Just change the switch, and the hot or cold air will come out immediately according to your needs. This car heater is not only very suitable for defrosting/defogging car windows and windshields. It can also be used as a cooling fan available all year. [Simple And Efficient] Quickly heat up in 10 seconds to heat up the car's air. Effectively allows you to quickly defrost or defog the windows so that you can get on the road and reach your destination. You will not wait in cold weather. Avoid engine wear caused by low temperature starting. The air is stable, the heating is more direct, and the temperature is more comfortable. [Smart Design] Car heater with a convenient handle, you can blow the wind to wherever you need it, easily adjust the orientation and angle, and it is convenient and comfortable to use. And low noise.Bring you fresh air, defrost and fog, it is a must-have good thing for travel.You can get warm quickly when using it. [Wide Application] Widely used in common electrical appliances such as automobiles, air conditioners, SUVs, taxis, jeeps, trucks, etc. Suitable for all 12V vehicles in the car, camping and traveling, defogging/defrosting in winter and cool in summer. [Easy To Install And Use] Portable car heater is small and exquisite, will not block the line of sight, and can be safely driven in winter, just plug it into the cigarette lighter of the 12Vcar. Press the fan or heater switch, the fan starts to work. Fans can be used in summer and heating can be used in winter.