Heating and Cooling Design: With two adjustable wind modes: heating and cooling, hot/cold air will come out immediately as your demand. This car heater is not only very suitable for defrosting and demisting car windows and windshields. It can also be used as a cooling fan in summer. 60 Seconds Heating: This portable car heater can quickly clean frost, fog, even fog on the car, windshield, side window and rear window, and provide a clear view for your driving . Durable Defrost Heater: Made of good quality ABS materials. Adopt the thicker and longer pure copper cable, no fragile parts, it will not heat up during use or damage your car battery. Excellent design and high quality cables. Wide application: This cigarette lighter socket car heater is widely used in cars, trucks and vehicles. Suitable for all 12V vehicles inside the car to defog/defrost, you can enjoy the warmer driving in this cold winter while camping and traveling. Easy to install: Simply plug it into your 12V cigarette holder to turn it on and switch between cold and hot. Before sticking, unscrew the screw under the base, then use the double-sided adhesive to install it, you can rotate it 360, easy and comfortable to use.