1. Easy to use: Easy to use, just plug it into your vehicle's 12V/24V cigarette lighter socket and turn it on. It effectively allows you to quickly defrost or defog your window so you can get going and get to your destination. 2. 2 in 1 Cooling and Heating Function: Flip the switch and the hot or cold air fan comes out immediately. This heater is ideal for defrosting or defogging your windows and windshields. It can also be used as a fan to cool you down in summer. 3. Design: Car heaters adopt cigarette lighter socket design, built-in fuse, automatic power-off protection, anti-voltage and safer to use. Rotate the bracket 360° and you can fix the heater wherever you want. And adjust it to the desired angle. 4. Wide Application: Instant heating, automatic overheat protection. This way you will always have the heater/defroster at hand. They are widely used in cars, trucks, vehicles, air conditioners and other commonly used devices. Suitable for all 12V/24V vehicles. 5. High Power and