【2 in 1 Heating and Cooling Function】--- This car heater is perfect for demisting or defrosting windows and windshields which can heat or cool, allowing you to feel the warmth in cold weather and the breeze in hot weather. 【Easy to Install】--- Plug the car heater into your cigarette lighter socket and switch to heating 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 caravanning, keep you warm in winter and cool in summer, it can provide you with a comfortable and safe driving. Note: The data are all measured manually, please allow 1-3cm error, due to different light and display, there may be some color differences, please refer to the actual item received.