High Quality & Great Design: This auto heater fan was made of high quality material and with premium pure copper cable, our windshield defroster can be used longer than others. It is durable and safe. 【Strong Protection & Safety】 The car heater defogger has the functions of automatic heating and overheating protection; low power consumption, concentrated air outlet, long service life and wide heating range. It quickly removes frost, fog, and even snow on the windshield of a car. The cigarette lighter socket has a built-in fuse, which can automatically cut off the power. 2-in-1 fan heater: with two switches of natural wind and warm wind, which can be switched at will. This car heater is not only ideal for defrosting/demisting windows and windshields, but also can be used as a cooling fan in summer. Just replace the switch, and the hot or cold wind will be emitted immediately. Easy to use: Just insert it into the cigarette holder of the vehicle and open it, you can use the provided