Cold and Hot Wind Switch: The 12V car heater has the function of alternating hot wind and cold wind to meet the function of defrosting/defogging home windows and windshields, whether in the car or at home Intelligent Design: Plug it into your car's cigarette lighter and switch it to heating or cooling mode and it will finish heating your engine in 60 seconds. This car heater will help you defrost and cover your car's windshield and block your view so that you can get on the road and arrive at your destination High Quality: Our car heater is meticulously made of durable ABS and heat-resistant polymer hard plastic, which ensures exceptional quality and durability. With automatic heating and overheating protection, it ensures safe and reliable operation. Its user-friendly design not only improves convenience but also saves energy Wide Application: Our car heater is designed to be compatible with all 12V vehicles, making it suitable for cars, taxis, SUVs, trucks, vans, and more. It serves