Strong Protection and SafetyThe 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 hot 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 vehicle cigarette holder and open it, you can use the provided self-adhesive pad (included) to install the base, insert the heater into the cigarette lighter socket, and then switch to heating or fan. Can. Note: Before use, wipe off the dust on the surface where the car will be placed, and keep it dry, then stick it to make it firmer and stronger. Wide application: The car heater fits most standard 12V electric vehicles, cars, taxis, SUVs, RVs. It is suitable for camping and traveling, demisting, defrosting, keeping warm in winter and cooling in summer.