Features 1??Two?way exhaust fan with LED light, with rain sensor function, it will automatically close the lid when it rains to prevent rainwater from entering the caravan. It has a high?temperature automatic window opening function, which can well control the temperature and air flow in the RV. 2??With a remote control, it supports one?button window opening/closing, air volume adjustment, two?way air exchange for intake and outlet, LED light and other functions. Automatic window?closing function, , it is easy to cause damage to the ventilation fan during driving when forgetting to close the sunroof. The force of the two powerful struts is more balanced and practical, and also very smart. 3??Dedicated to high?quality and intelligent RV, with air supply and exhaust functions. Grey and black ventilation fan covers allow light to enter the truck compartment. Bring fresh air to your RV. It will exchange the air in your motorhome or caravan in a matter of minutes. 4??Equipped with a stainless steel insect?proof net to prevent mosquitoes, insects, sand, etc. from entering the interior of the caravan, the motor is made of pure copper core, reliable and efficient, low?noise motor, low?decibel operation and ventilation, and does not disturb your sleep. It can help eliminate smoke in the kitchen and unpleasant odors in the bathroom, allowing you to breathe fresh air. 5??The cover is made of imported plastic, which is resistant to yellowing. The fan has 10 blades, which is more stable and quiet, two?way exhaust, waterproof, soundproof, and not easy to age. The box body is made of imported plastic materials, which is durable and resistant to yellowing. It can be installed in large vehicles such as RVs, motorhomes, buses, yachts, etc. use. Specification Item Type: Exhaust Fan Material: ABS Hole Size: Approx. 280x280mm/11x11in Rated Voltage: 12V Motor Current: 0.4A Overall Size: Approx. 360x360x122mm/14.2x14.2x4.8in Motor Power: 5W Lamp Power: 8W Exhaust Air Volume: 8CMB/min RMP: 1000/min Fitment: Fit for large vehicles such as RVs, motorhomes, buses, yachts, etc. Installation Thickness Range: Approx. 51-100mm/2-3.9in Fan Blades: 10 pieces Remote Control Battery: Button battery, 1 x CR2025 (120mAh) (built-in) Installation Method: Open hole installation How to Use: Install and fix it, and it will start working Wiring Method: Black wire is connected to the negative pole Red wire is connected to the positive pole Blue wire connects the handbrake signal line (the role is to automatically close the window when driving) Package List 1 x Electric Exhaust Fan with Light 5 x Screw Hole Plug 1 x Remote Control 1 x Manual