1、INTELLIGENT DESIGN: With cigarette lighter plug design, built in fuse, automatic power off protection, anti voltage, safer to use, 180 degree rotation up and down, 360 degree rotation left and right, you can fix the heater in your favorite position. And adjust to your favorite angle. 2、HEATING AND COOLING: The portable car heater can quickly remove fog or frost from your car windshield by heating the air. It can also be used as a car fan to cool down the car interior in summer. Let you enjoy the warmth of summer cool and winter cold. 3、SAFE AND DURABLE: The car heater adopts ceramic PTC heating technology, which starts the heating inside the car within 3 seconds (fast heating), efficient, safe and quiet. Can be used in multiple seasons due to its multi functional characteristics. Suitable for all 12V 120W vehicles. Effectively keeps windshield vision clear and prevents fog or frost from blurring vision. 4、QUICK INSTALLATION: Simply take it out of the box and insert the 12V car cigarette holder to turn it on. With Hot and Cold switch. Universal shaft adjustment and 1 main air outlet, the base can be mounted with our double sided tape, easy and comfortable to use. 5、WIDE APPLICATION: Car heaters are widely used in cars, trucks, vehicles, air conditioners and other common appliances. Suitable for all 12V vehicles in the car, camping trips, defogging or defrosting in winter and keeping cool in summer.