High Quality: The portable car defogger is made of heat-resistant ABS and polymer plastic, the handy heater heats and cools with low consumption Output: 2 in 1 Car Heater--car heater three main outlets, fixed wind direction, let the heat directly and completely Advantage: This heater or fan will instantly blow heat or cool air. It will warm up your car. Or if you're hot, like in the summer, you can adjust it to blow cool air instantly. Function: The heater or fan blows heat or cool air instantly, so as to warm/cool your car in seconds Installation: Car Windshield Defrosters--Simply stick or attach it to your vehicle's dashboard or anywhere in your car or van. 180 degree rotation bracket holder, follow control, more convenient and comfortable.