1、Solar Fan for Pets: Our Monocrystalline silicon solar panel DC 12V works efficiently even in low light conditions, ensuring continuous use on sunny or cloudy days. With outstanding performance, our solar fan maximizes energy conversion to achieve optimal function. 2、Solar-Powered Fan: Utilizes solar energy as the sole power source to drive the fan, there is no need for extra wiring work, safe and dependable. This solar fan for chicken coop does not have a built-in battery to store energy and stops working at night. 3、Dual Cooling Fans: Two 3W industrial-grade fans blow out a huge airflow of 152.6 CFM at 2200 RPM, immediately lowering the temperature in stuffy shelters. Keep your pets cool on hot days and provide easy breathing for your pets and poultry. 4、Easy Installation and Use: Our solar exhaust fan is easy to install without disassembly - simply secure it to any surface with screws in four pre-existing holes. Promoting circulation and quality to reduce odors, and heat, creating a better ambiance. 5、Wide Application: The solar ventilation fan comes with a 3 meters power cable, allowing you to install it anywhere, such as greenhouses, chicken coops, sheds, dog houses, window vents, barns, cowsheds, RVs, treehouses, lofts, and more. This solar panel dual fan kit can expel hot wind and let cool wind in, effectively reducing indoor temperature and humidity and keeping the ambiance fresh. There are two installation methods - intake and exhaust solar fans, you can install according to different needs. Suitable for small space ventilation, like a small greenhouse, chicken coop, shed, pet house, and window exhaust. Item Type: Solar Fan Solar Panel Material: High-efficiency Monocrystalline Silicon Solar Panel Power: 15W / 20W (Optional) Working Voltage: 12V Power: 2x3W Airflow: 152.6CFM RPM: 2000 Pressure: 2.7mm H2O Output Port: DC5521 Cable Length: Approx. 3 meter/9.84ft Solar Panel Size: 15W: Approx. 28x28x0.3cm/11.02x11.02x0.12in, 20W: Approx. 36x33x0.3cm/14.17x12.99x0.12in Fan Size: Approx. 28.5x15x3.6cm/11.22x5.91x1.42in Package Size: 15W: 31x29x5cm/12.2x11.42x1.97in, 20W: 38x34x5cm/14.96x13.39x1.97in Package Weight: 15W: 921g/32.49oz, 20W: 1065g/37.57oz 1 x Solar Panel 1 x Fan 8 x Zip Ties