Rapid heating: This powerful car heater can quickly heat the air in minutes, warming your winter. Effectively keeps the view of the windshield clear and prevents fog or frost from blurring the line of sight. 2 in 1 Multifunction Heating and Cooling: With adjustable wind mode, hot/cold air will come out immediately as you need. This car heater is not only very suitable for defrosting/defogging car windows and windshields. It can also be used as a cooling fan in summer. High quality and safe car heater: This plug-in car heater uses a cigarette lighter socket, built-in fuse, automatic power-off protection, safer to use. With a long thick copper cable, it will not heat up during use or damage your car battery. Easy to install and use: Simply connect the portable car heater to the vehicle's cigarette lighter socket and switch to heater or fan. This car defroster can quickly clean frost, fog and fog on the car, windshield, side window and rear window, and provide a clear view for your driving. Wide application: This portable car heater is widely used in cars, trucks and vehicles. Suitable for all 12V 150W vehicles in car, camping and traveling, defogging/defrosting in winter and keeping cool in summer.