FEEL COOL: With three level adjustment heat, 5V electric car fans blow hot air out of parking car efficiently. car cooling fan can provide strong wind to cool down rear seat passengers and pets at back seat immediately when car air conditioner is weak or no air conditioner at all. The car fan allows rear seat passengers or pets to feel cool and comfortable in the car. our car fan not disturb the passengers who are at rest for its low noise. THREE LEVELS ADJUSTMENT: The fan has three gears: low, medium, and high; Short the button to switch gears: "1st, 2nd, 3rd, shutdown" cycle in sequence.Fan speed 1st gear: 3000RPM; 2nd gear: 3800RPM; 3rd gear: 4500RPM. Fan speed 1st gear: 2.6m/s; 2nd gear: 4.0m/s; 3rd gear: 5.1m/s AIR CIRCULATION: car cooling fan is perfect for removing off moisture of interior windshield on cold and reducing unwanted hot air, cigarettes smoke or dust. It also can pet odor which makes you feel uncomfortable. The car fan features sturdy and high quality Nylon Sticker fixation that can be installed tightly in your car seat. COMPATIBILITY: car fans fit all mini small compact or medium large full size sedans SUV Van Truck RV ATV. car cooling fan is easy to use. Just plug into 5V 1.5M Type-c Charge socket and use. You need to open the Nylon Sticker fixation when you install or remove the car fan from the grip. The installment can be done easily by hand without any extra tools. WONDERFUL GIFT: car cooling fan is an amazing gift for car owners. The car fan is energy saving and takes up very little space in car. You can order the car fans as a gift and friends. They must be impressed by this wonderful gift. Colour:Black Material:plastic Package Contents: 1 x Car Rear Seat Fan 1 x Usb Cable 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.