【2 in 1 Heating and Cooling Function】 --- This car heater is perfect for defogging or defrosting windows and windshields that can heat or cool, allowing you to feel the warmth when it's cold and the breeze when it's hot.< /p> 【30 Seconds Fast Heating】 --- High temperature heat output for the car heater can ensure fast heating and comfortable heating effect. It can be heated quickly in 30 seconds, efficient heat dissipation design, warm your winter. 【Easy to Install】 --- Plug the car heater into the cigarette lighter socket and switch to heater or fan mode (make sure your car has a 12V cigarette lighter port). [Widely Used] --- This car heater uses heat-resistant polymer hard plastic material. Perfect for car, camping and caravan, keeps you warm in winter and cool in summer, can provide you with a comfortable and safe driving.