2-In-1 Cooling and Heating Function: This car fan heater with 3s fast heating, cooling function, you can adjust the mode as you like. 360 Degree Rotating: With 360 degree rotating base, you can adjust the direction of the warm air with ease.which is very convenient and practical. Defrost or Defog: in addition to selection of heating or cooling functions, this car heater that plugs into cigarette lighter can also defrost or defog the windows. Widely Used: Not only can it be used for car heating, but it can also preheat the engine and lubricating oil to facilitate the start of the engine in winter and improve the startability and durability of the engine. Easy to Use: just need to plug it into your cars cigarette lighter, press the fan or heater switch and then it starts working. It is a necessary warm item in the car for going out or traveling. Installation method: put on a non-slip mat or fixed with double-sided tape Specification: Material: ABS Product Power: 150W Product Performance: Defrosting and Defogging, Heating and Cooling Product Application: Cars and Trucks (12V and 24V) How to Use: Directly Insert the Cigarette Lighter Plug into the Car Cigarette Lighter Hole Size Chart: 140x120x80mm/5.51x4.72x3.15inch Package Includes: 1 Piece Car Heater Defroster Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!