Fast heating: Portable car heater has a new aluminum alloy heating design to ensure fast heating or cooling effect, low power consumptionPlug the plug into the car's cigarette lighter socket and switch to heat or fan and it will quickly complete the engine heating, car windscreen defroster can help you solve the problem of fog and frost covering the windshield of your car, effectively preventing the view from being blocked. Fast Heating & Cooling: Heating the car within 30 seconds,the car fan heater is not only a windshield demister in winter, but also used as a fan to cool you in summer. Premium material Fully Protection: Made of quality ABS which is sturdy and heat-resistant, built-in fuse and safe and instant heating,no damage to the battery. And providing auto power off protection. 180-degree Rotation & Large Wind Outlet: 180-degree rotating holder designed for free adjustment as you like, the large outlet provides a large area of the air, which is Rapid heating or cooling. Widely applicable: Car heaters can be used for household cars, buses, minibuses, SUVs, taxis, trucks, They are suitable for all 12V vehicles. Note: The vehicle voltage should be around 15 amperes for the heater to work properly.