Premium crafted 12-volt fan blows hot air out of the car efficiently, quickly and effectively removing unwanted cigarette smoke, tobacco smoke or dust, and eliminating pet odor. Defrost the windshield in seconds in winter for safe driving. Improve air circulation and keep air quality fresh and cool in motor vehicles or boats. Perfect for summer golf cart that double blade air circulation propeller. Powerful low noise windshield motor comes with high quality 3M adhesive stickers to secure the fan to your dashboard or arm rest area. 24V Trucks).