[High-quality material] The automobile heater adopts anti-oxidation alloy heating wire, which has high heat conversion rate, high pressure resistance, fast temperature rise, slow aging, and long service time.[Driving safety] The hollow air outlet design on the top provides high-efficiency heating rate, which can quickly remove the frost and fog on the windshield of the vehicle to ensure driving safety.[Safe use] The air can be heated quickly without waiting for the engine to warm up. It adopts a cigarette lighter plug design, built-in fuse, and automatic power-off protection, making it safer to use. Output: 150 W maximum. Working voltage: 12 V[360 degree rotation] Due to the ergonomic hand design and portable size, this car fan heater defogger is easy to install and install in your car. The 360-degree bracket is specially designed for adjustment and can be easily adjusted to the desired angle.[One machine with multiple functions] Switch between and cold. This windshield fan is not only very suitable for defrosting/defogging windows and windshields. But it can also be used as a cooling fan to provide you with air in the summer. You only need to replace the switch, and the or cool air will come out immediately according to your needs.