1. In heating mode, our car heater can heat quickly and efficiently in 60 seconds to clean the frost, fog, mist, even remove snow on your vehicle's windshield, keeping your view in driving is clearly and ensuring your driving safety.2. 2 in 1 MULTIFUNCTIONAL FAST COOLING & HEATING: Cooling and Heating 2 in 1, you can use the mode of fan as a cooling fan to give you wind in the summer, and use heat in the winter for defrosting/demisting window & windscreens. You just need to change the switch. , then the hot air or cool wind will come out immediately as your needs.3. EASY TO INSTALL & USE: Small, compact size makes this car heater uses very convenient. Just plug it in your car's cigarette lighter. Press the fan or heater switch and the fan starts working. User-friendly design, with a 360 degree rotatable bracket, can adjust to any angle, very convenient and comfortable to use. Low energy loss, low noise, no fire.4. Safety: Made from ABS and polymer heat-resistant hard plastic, cigarette lighter plug design, built-in fuse, automatic power-off protection, anti-voltage, safer use. User-friendly design which is energy-saving with low consumption. It boasts the concentrated air outlet, long and wide range.5. The portable size makes this vehicle easy to install and place. Plug it into your car's cigarette lighter and press the fan or heater switch to get it started.