Features 1、Powerful Ventilation: The 5V solar powered exhaust fan ensures efficient cooling and circulation, keeping your space cool and comfortable with its strong ventilation capabilities. 2、Reliable Energy Source: Featuring a 10W monocrystalline solar panel, this exhaust fan kit offers energy savings and minimal environmental impact as a dependable power source. 3、Safety Features: Equipped with a protective mesh and installation baffle, the solar vent fan prevents nesting of birds, ensuring a safe and reliable ventilation system. 4、Easy Installation: Designed for round ducts, this solar panel powered fan is easy to install in any ventilation system, promoting efficient airflow without hassle. 5、Versatile Application: Ideal for pet houses, chicken coops, greenhouses, RVs, and boats, this exhaust fan provides ample ventilation for various spaces and environments, ensuring optimal airflow quality and comfort. Specifications Item Type: Solar Powered Exhaust Fan Material: Monocrystalline silicon, ABS Weight: Approx. 278.00g / 9.81oz Solar Panel Power: 10W (without battery storage) Solar Panel Size: Approx. 15.7x9.5cm / 6.18x3.74in Exhaust Fan Diameter: Approx. 12cm / 4.72in Exhaust Pipe Length: Approx. 12.5cm / 4.92in Exhaust Pipe Outlet Diameter: Approx. 9.5cm / 3.74in Voltage: 5V Package List 1 x Solar Panel 1 x Exhaust Fan 1 x Exhaust Fan Circular Baffle