Key Features 1.Efficient Ventilation: Its forward and reverse motor drives 10 blades to form a strong and stable air flow (5-35m³/min), which can quickly discharge the accumulated humid and hot air and introduce fresh air to improve travel comfort. 2.Quiet Environment: It adopts a 5W motor, which can achieve low-noise operation even at high speeds (20-65dB). It will not disturb your sleep at night or your conversation during the day, creating a quiet environment. 3.Multifunctional Fan: In addition to ventilation, it can also be used as daily lighting. The built-in 4 LED lights can provide sufficient brightness to illuminate the interior space of the RV (about 2m²), making it convenient for you to move around even at night or in low light conditions. 4.Sturdy & Durable: It is made of premium plastic and ABS, which has corrosion resistance and anti-aging performance. The IP68 waterproof level makes it work normally without damage even in rainy weather. Details ●Top Cover Adjustment Knob: There is a top cover adjustment knob on the fan, so you can operate it directly inside the car without leaving or climbing to the roof for adjustment. The knob adopts a triangular design, making it more effortless to rotate. ●Insect-proof Screen: The exhaust fan has an insect-proof screen, which can prevent mosquitoes, insects, sand, and stones from entering the RV and maintain the cleanliness of the car environment. ●Dark Top Cover: The dark top cover can prevent direct sunlight from shining into the RV and better protect your privacy. Application It is suitable for most types of RVs and recreational vehicles with an opening size of 11*11in. Specification Material: Plastic, ABS Color: White, Black Light Source Type: LED Light Color: White Installation Position: RV Roof Way of Use: Direct Replacement Control Method: Manually Operated  Waterproof Level: IP68 Forward and Reverse: Yes    Rated Voltage: 12V Motor Power: 5W Motor Current: 0.4A Light Power: 8W LED Current: 0.8A Number of LEDs: 4 Number of Blades: 10 Illuminated Area: About 2m² Noise: 20-65dB Air Flow: 5-35m³/min Opening Size: 28*28cm/11*11in Product Size: 36*35.5*15cm/14.2*14*5.9in Package Size: 39*17*38.5cm/15.4*6.7*15.2in Net Weight: 2.8kg/6.2lbs Gross Weight: 3.5kg/7.7lbs Package Included 1* RV Ventilation Fan Notes 1.Please note that the opening of the fan must be in the opposite direction of the front of the car, otherwise it may cause product damage.