The car heater can be used as a heater or fan. It quickly removes frost and fog from a vehicle's windshield. The portable car heater directs heat to the front, top, and surrounding areas, providing a clear view and improving comfort and safety during driving in cold weather. This car heater is compatible with cars, SUVs, taxis, jeeps, trucks, and other 12V vehicles. It works with the vehicles cigarette lighter socket and is suitable for use in trucks, camping, and travel. This car defroster is designed to prevent fogging and is not intended to heat the entire vehicle. Simply plug it into the cars 12V/24V power outlet and switch between heater and fan modes. Ensure your vehicle has a 12V/24V power port. The heater features a 360-degree rotating base with adjustable angles for optimal heat distribution. It includes double-sided tape to secure the unit during use.