- STAY COOL: Beat the heat with our high-efficiency 5V electric car fan. Designed to effectively expel hot air, this fan provides immediate relief for rear seat passengers and pets, especially when the air conditioning is weak or absent. Its low noise operation ensures a comfortable environment without disturbing anyone at rest. - ADJUSTABLE SPEED: Customize your comfort with three speed settings: low (3000 RPM), medium (3800 RPM), and high (4500 RPM). Easily switch between settings with a simple button press, cycling through low, medium, high, and off modes for personalized airflow (speed measurements: 1st gear: 2.6m/s; 2nd gear: 4.0m/s; 3rd gear: 5.1m/s). - EFFECTIVE AIR CIRCULATION: Ideal for rainy days, our car cooling fan helps defog windshields and eliminate unwanted hot air, cigarette smoke, and dust. It also combats pet odors, ensuring a fresher cabin atmosphere. The fan's sturdy velcro fixation allows for secure placement on your car seat. - WIDE COMPATIBILITY: This car fan is compatible with all car types, including compact, mid-size, and full-size sedans, SUVs, vans, trucks, RVs, and ATVs. Simply plug it into a 5V Type-C charge socket and it's ready to use. Installation is user-friendly; just attach or detach it by hand without any tools. - USAGE SCENARIOS: 1. Utilize the fan during family road trips to maintain a comfortable environment for your kids and pets in the back seat. 2. Keep moisture at bay during rainy commutes by easily defogging your windshield. 3. Improve air quality on long drives by eliminating pet odors and cigarette smoke.