Heating & Cooling Design Portable car heater includes two modes for cold air or warm air, providing quick heating and cooling. Ideal for defrosting windows and windshields. Safety & Durability This car heater plugs into the cigarette lighter and is constructed with ABS material and antioxidant alloy heating wire. Features high heat conversion efficiency, high temperature resistance, fast heating, and long service life. Skeleton Design The top skeleton design enhances air convection, allowing rapid defogging and defrosting through efficient hot air circulation. Easy Installation Simply plug the portable car heater into the vehicle’s cigarette lighter socket, then select heating or fan mode to defrost, defog, or heat the car interior. Wide Application The 12V car heater is suitable for cars, trucks, and other vehicles. Compatible with all 12V vehicles, ideal for use during travel, camping, winter defrosting/defogging, and summer cooling.