Cooling & Heating Function- This car heater has two different functions, both hot air and cold air. It is suitable for any season, not limited to winter. In the hot summer weather, natural wind can also be used as a fan, which is multifunctional.Air Purification- In addition to helping you quickly clean the fog and frost on the glass, this car heater can also be used as an air purifier, which is very suitable for vehicles, camping and camping. It is suitable for defogging or defrosting all 12V vehicles in the car, camping and traveling.Quickly And Safety- The air outlet of this car heater is concentrated, using high-quality materials and pure copper cables. Its thickness and length are longer, and it can quickly heat up in 10 seconds, supporting the heating of the car when driving for a long time.No more waiting in the cold weather, saving your time and oil.Easy to Install- Simply connect the portable car heater to the cigarette socket of the vehicle and switch to heat or fan(Make sure your car has a 12V lighter port). Base of demister can be stood on the non-slip mat, or simply attach with double-sided tape.360 Degree Adjustment- It is designed with 360 degree rotating base, easy to control, making the warm wind blow to the place you want.Comes with a 360 degree rotate supporting suction holder, follow control, more convenient and comfortable.