1. ( Car Heater 12V Portable Defrost and Defog ) : It is designed to quickly clean the frost, even remove snow on your vehicles windshield, keeping your view in driving is clearly.2. ( Fast Heating & Cooling ) : Heating the car within 30 seconds,the car fan heater is not only a windshield demister in winter, but also used as a fan to cool you in summer, let you enjoy the cool summer and the warmth of the winter.3. ( Fully Protection ) : Made of ABS which is -resistant, built-in fuse and safe and instant heating,no damage to the battery. And providing auto power off protection. The small size allows it to be installed in the car without blocking the line of sight.4. ( 180-degree Rotation & Large Wind Outlet ) : 180-degree rotating holder designed for free adjustment as you like, the large outlet provides a large area of the air, which is Rapid heating or cooling, efficient5. ( Portable & Easy to Use : Mini car heater, compact size makes this it uses very convenient. Just plug it in your cars cigarette lighter. Press the fan or heater switch and the fan starts working.