Ventilador de extracción solar para ventana de coche, extracción de aire automática

【Easy Installation】Simply attach the exhaust fan to the car window, adjust the rubber strip according to the instructions, and then roll up the ventilation grille. It won't damage the vehicle and requires no cables. It can be used continuously even in rainy weather. 【High-Speed Exhaust】This solar-powered exhaust fan features a three-channel, three-motor design, significantly increasing exhaust speed to up to 4500 RPM. 【Multiple Power Supply Modes】The external solar panel, dual-channel design, and three-motor configuration effectively enhance exhaust speed. You can use the solar cells independently via the battery and solar power switch. When there is no sunlight, the battery can be charged in multiple ways, such as via USB, solar power, car charger, or power bank. 【Ideal Air Circulation】Effectively reduces interior temperature and humidity inside the windshield in rainy weather. This solar-powered car fan can be used for window ventilation and quickly removes annoying cigarette smoke, formaldehyde, smoke odors, harmful gases, or pet odors. 【Energy Saving】Thanks to the polycrystalline silicon solar panel, it can be charged without an external power source. The use of the solar cells can be controlled independently via the solar power and battery switch. This car fan with three air outlets is energy-efficient and easy to operate.