Fast frost and fog clearing: A 200W heater that warms up in about 30 seconds to efficiently remove frost and fog from front, rear, and side windows, improving visibility for safer winter driving. 360degree adjustable air vent: Features a 360degree rotatable holder to direct warm air exactly where you need it. It can be fixed with adhesive tape or placed on a nonslip mat, remaining secure and stable while you drive. Onebutton operation plug and play: Simply plug into a 12V cigarette lighter socket and switch on. The heater starts instantly, delivering warmth with minimal setup for a comfortable drive in winter. quality materials and safety protection: Made with ABS heatresistant plastic and pure copper cables. It includes builtin overheat protection and a fuse to safeguard your car's battery and circuitry, ensuring safe and reliable use. Use scenarios: In the morning, quickly defrost and defog the windshield before you start driving, improving visibility. While on the road, target fog or frost on side windows and mirrors to maintain clear visibility from all angles. When parked or waiting in cold conditions, provide warm air to the cabin for short periods, helping you stay comfortable without long preheating.