Simple and EfficientJust plug and play, insert it into your car's cigarette lighter socket and switch to heating or fan. Instant heating, automatic overheating protection. You can heat the air in your car in 60 seconds without waiting for the engine to warm up. Effectively allowing you to quickly defrost or defog your car windows so you can hit the road and reach your destination. Heating and Cooling ModeWith hot and cold switching. In just 5 seconds, the car heater can quickly remove fog or frost from the windshield in your car by heating the air. It can also be used as a car fan to cool down your car in summer. Let you enjoy the coolness in summer and the warmth in winter. Safe and DurableOur car heater is made of ABS material, designed with cigarette lighter plug, built-in fuse, automatic power-off protection, voltage resistance, and safer to use. The long launch distance and wide range make it perfect for long trips or camping. 150 W, operating voltage: 12 V continuous current. Power supply: 12V car cigarette lighter connector. Installation methodChoose where to place the product, stick the double-sided tape on the bottom of the product and stick it to the selected position on the car. The product can rotate 360 degrees, up and down 60 degrees, and an optional suction cup holder can be fixed on the front window glass. Or use it anywhere on the skylight glass Wide ApplicationWidely used in cars, trucks, vehicles, air conditioners and other common appliances. Suitable for all 12V vehicles in cars, camping and travel, defog/defrost in winter and keep cool in summer. Must use original cigarette lighter for charging. Perfect as a gift for family or friends.