Feature:1. EFFICIENT COOLING: Keep your space cool and comfortable with the powerful ventilation provided by the 5V solar exhaust fan. It ensures efficient cooling and circulation for a comfortable environment.2. ENERGY EFFICIENT: The exhaust fan uses 10W solar panel as a dependable power source, which reduces power consumption, minimizes environmental impact, and is stable and environmentally friendly.3. QUICK AND EASY INSTALLATION: Solar exhaust fan is designed to fit round ducts, easy to install in any ventilation system to promote efficient airflow. Simple and convenient.4. WITH PROTECTIVE MESH AND BAFFLE: This ventilation fan comes with a protective mesh and an additional mounting baffle to prevent birds from nesting inside, safe and reliable.5. WIDE APPLICATION: This versatile solar vent fan has a wide range of applications, suitable for attics, greenhouse, RVs and boats, providing ample ventilation for different spaces and environments.Specification:Item Type: Solar Exhaust FanMaterial: Monocrystalline Silicon, ABSSolar Panel Power: 10W (Without Storage Function)Solar Panel Size: Approx. 15.7 x 9.5cm / 6.2 x 3.7inExhaust Fan Size: Approx. 12cm / 4.7inExhaust Pipe Length: Approx. 8cm / 3.1inExhaust Pipe Outlet Diameter: Approx. 9.5cm / 3.7inVoltage: 5VGross Weight: Approx. 300g / 10.6oz.Package List:1 x Solar Panel1 x Ventilation Fan (Fan Blade Random)1 x Round BaffleNote:Manual measurement, please allow some errors.