2 in 1 Modes: With hot and cold switch. This car heater is not only ideal for defrosting/demisting window and windscreens, but also can be used as a cooling fan. 360 Rotatable: It comes with a rotary holder which can be used for adjustment and easy directing just like a car vent, so you can adjust it to your preferred angle. Efficient: Car heaters have a built-in powerful output design to ensure rapid heating or cooling effect. This high-power car heater can defrost the windshield and warm your car rapidly. Easy Installation: Simply take it out of the box and plug it into your 12V car cigarette holder to turn it on and switch between cold or hot. Universal shaft adjustment, the base can be installed with our double-sided adhesive, easy and comfortable to use. Wide Application: Plug in car heater is widely used in cars, trucks and vehicles. Fit for both summer and winter.