1、 Easy to Use: Easy operation, just plug it into your 12V/24V vehicle's cigarette socket and turn it on. Effectively allows you to defrost or demist your window quickly so you can get on the road and get to your destination. 2、 2 IN 1 Cooling and Heating Function: Change the switch and the hot air or cool fan come out immediately. This heater is ideal for defrosting or demisting window and windscreens.Also can be used as a fan only to cool you down in the summer. 3、 Design: The car heaters adopts cigarette lighter plug design, built-in fuse, automatic power-off protection, anti-voltage, and safer to use. Rotate the bracket 360° , and you can fix the heater where you like. And adjust it to the angle you like. 4、 Wide Application: Instant heating, automatic overheat protect. so you'll always have the heater/defroster within easy to reach. They are widely used at car, truck, vehicle, air conditioner and other commonly used appliances.Fit for all 12V/24V Vehicle Cars. 5、 High Power & Fast Heating: Upgraded car heater, 200W increased power, increased air temperature, defogging and defrosting, and improved driving vision safety. It is a good assistant in the car in winter.