2 in 1 Heating and Cooling Design: This 12V car heater has two modes to choose from, natural fan or warm fan, quickly heating and cooling the vehicle, removing fog or frost from the car windshield, providing clearer driving experience, eliminating car odors, keeping air fresh for safer and more comfortable driving. Easy Installation: Just plug into your vehicle's cigarette lighter socket (12V) to turn on and use. 360 rotating bracket for easy portability, adjustment and disassembly. Fast Heating & Defogging Effect: The heating wire features high heating speed, high pressure resistance, fast heating (3 seconds), slow aging, long service life, efficient defrosting and defogging, improving air outlet static pressure, air supply distance and heating effect. Wide Range of Uses: This portable car heater is suitable for defrosting and defogging during winter driving, preventing cold hands while driving. In summer, it provides cool breeze for pleasant traveling and camping. Note: Data are measured manually, allow 1-3cm error. Color as shown; due to differences in light and display, slight color differences may occur, refer to the actual item received.