Features 1.Power Supply Methods: The car exhaust fan supports USB interface or solar power supply, which is not limited to vehicle power supply, flexible and convenient, environment friendly and energy saving. 2.Efficient Cooling: This car exhaust fan provides strong wind power, achieving rapid cooling and reducing the temperature inside the car, making your driving environment cooler and more comfortable. 3.Air Circulation Exhaust: This car exhaust fan can help effectively circulate the air inside the car, eliminate unpleasant odors and smoke, keep the air inside the car freshing, and improve ride comfort. 4.Multiple Usages: This exhaust fan is a multipurpose design, suitable for use in cars, offices, home rooms, and other places, suitable for cooling, ventilation, and air circulation scenarios. 5.Silent Running: The car exhaust fan adopts silent technology, with low working noise and no interference with driving and passenger rest, providing a quiet and comfortable driving experience. Specification Item Type: Solar Car Exhaust Fan Material: ABS Rotation Speed: 5000RPM Weight: Approx. 660g / 23.3oz Size: Approx. 230 x 52 x 113mm / 9.1 x 2 x 4.4in Package List 1 x Exhaust Fan 2 x Plastic Strip 1 x Power Cord 1 x English User Manual