1. Good MaterialAutomotive windshield heater is made of ABS and polymer heatresistant hard plastic, with automatic heating, overheat protection, humanized energysaving design and other characteristics. The selection of highquality cable ensures a long life, with energy saving and low consumption. 2. 2 in 1 Heating Cooling DesignThis car heating fan uses an integrated heating and cooling design to quickly heat and cool the vehicle while eliminating fog and frost on the windshield, making your driving vision clearer and improving your driving . 3. Flexible To UseCar heater adopts cigarette lighter plug type design, builtin fuse, automatic power off protection, voltage resistance, ensuring r use. You can rotate the bracket 360°, allowing you to fix the heater in the place you like and then adjust the angle to your preference. 4. Easy To InstallThe installation process of the car heater is very easy. Use the provided doublesided foam adhesive. First, wipe the dust on the surface of the car and keep it dry. Second, tear the doublesided tape and glue it to the bottom plate. Then, glue it to the selected location on the car. Finally, plug it into the cigarette lighter socket and press the heating switch to switch the heating or fan function.