The 12V Dual Head USB Fans are a car fan, desk fan, and wall mount fan. Very easy to install, you can stick the fan to the car dashboard/armrest with 3M tape (included), place it on the home and office desktop, or mount it on the wall based on your preference. Electric car fan powered by USB port plug and play. Built with durable, premium quality materials that ensures longevity and durability. Keeping cars, trucks and RVs cooler, increases the air circulation in your vehicle and home, helps ventilate and defog your car. This gadget is designed with protective circuits and high quality components to prevent the product from overheating or overloading. The oscillating fan is quiet and durable, providing cool comfort for miles on the road.