Heating and Cooling Design: Switch the switch and the warm air or cold fan will come out immediately according to your needs. This car heater is not only very suitable for defrosting/demisting car windows and windshields, but also be used as a cooling fan in summer Durable Defroster Heater: Upgraded 12V car heater is more suitable for defogging and defrosting, increasing driving safety. Made of ABS materials, this 12 volt car heater will not be easily damaged. Instant heating, automatic overheating protection Easy to Use: Easy operation, just plug it into your 12V vehicle's cigarette socket and turn it on. It is small and exquisite, can be placed anywhere in the car without blocking the view inside the car, which is convenient for storage Wide Application: Suit for all 12V vehicles in the car and travel, demist/defrost in winter and keep cool in summer. Need to be charged with the original cigarette lighter. The plug-in car heater is widely used in cars, buses, minibuses, SUVs, taxis,