Feature: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.Specification:Item Type: Solar Powered Exhaust FanMaterial: Monocrystalline silicon, ABSWeight: Approx. 278.00g / 9.81ozSolar Panel Power: 10W (without battery storage)Solar Panel Size: Approx. 15.7x9.5cm / 6.18x3.74inExhaust Fan Diameter: Approx. 12cm / 4.72inExhaust Pipe Length: Approx. 12.5cm / 4.92inExhaust Pipe Outlet Diameter: Approx. 9.5cm / 3.74inVoltage: 5V.Package List:1 x Solar Panel1 x Exhaust Fan1 x Exhaust Fan Circular Baffle