VERSATILE: With hot and cold switch. This car heater is not only perfect for defrosting/demisting windshields. It can also be used as a cooling fan to provide you with coolness in summer. You just need to change the switch, and hot air or cold wind will come out immediately according to your needs. If you have any questions, please check the user manual, do not hesitate to contact us.EASY AND EFFICIENT: Very convenient and easy to use!!! Just plug in and go. Instant heating, automatic overheat protection. You can warm up the atmosphere in your car without having to wait for the engine to warm up within 3 seconds. Allows you to effectively defrost or demist your window quickly so you can get on the road and reach your destination.HIGH QUALITY Perfect for long trips or camping. Made of high-quality material and premium pure copper cable, our car heater lasts longer than others. It has large air outlets, long transmission distance and wide area, which is more energy efficient with low consumption.INTELLIGENT DESIGN: Compact size, portable and convenient to install. A rotating holder is designed for free adjustment, convenient and practical. It comes with a rotating holder that can be used for adjustment and easy direction just like a car vent, so you can adjust it to the desired angle.WIDE USE: Car heater suitable for winter cars, camping, travel and heating. Portable and efficient, it can heat up quickly and easily. It is designed to quickly clean frost, fog and even remove snow on your car windshield, keeping your vision clear and ensuring your driving safety._CA