【HIGH QUALITY】This portable car heater is made of ABS material and well designed with high quality pure copper cables and no fragile parts. The cigarette lighter plug has a built-in fuse that can automatically cut off the power supply. [Heating and Cooling Design] It has two switches of natural air and warm air, which can be switched at will. This car heater is not only ideal for defrosting/demisting car windows and windshields, but also can be used as a cooling fan in summer. You just need to switch the switch and the hot or cold air will be released instantly. [Humanized Design] With an external handle, it is convenient for manual heating. The switch is designed on the handle for convenient heating. The angle of the air blower can be adjusted up and down, left and right. When defogging the windows, you can remove the base and take the car body to blow the fog directly. Easy to use: just insert it into your vehicle's cigarette holder and turn it on, install the base with the provided