Quickly remove frost, fog, and haze from vehicle windshields. The high-efficiency fan quickly heats the air without waiting for the engine to warm up. Features a 360-degree rotating stand for easy adjustment and steering. Car heater made of ABS hard plastic and heat-resistant polymer. Wide range of applications: portable heating, cooling, atomizing, and defrosting. 2-in-1 heating and cooling function: This car heater naturally blows out warm air to quickly remove frost, fog, and haze from your vehicle's windshield. Practical in winter. Fast heating and high efficiency: The high-performance fan heats the air quickly without waiting for the engine to warm up. This saves time and energy by using the car's alternator instead of gas to run the heater. The 12-volt 360-degree rotating car heater features a rotating bracket for easy adjustment and control. It can be adjusted to blow in any direction as needed. This portable car heater is made of heat-resistant polymer. Practical and convenient heating device with automatic heating and overheat protection. Humanized design for energy efficiency. Wide application heater for portable heating, cooling, atomizing, and defrosting. Compatible with all 12V, 150W cars and vehicles. Note: For 12V 150W cars. Low power may slow down heating time or prevent heating. For best results, keep vents clean.