Feature: 1. HIGH EFFICIENCY CHARGING: Solar powered exhaust fan adopts premium monocrystalline solar panel for high efficiency charging, stable and reliable, suitable for outdoor environment. 2. USES: 6.5 inch exhaust ventilation fan, effectively remove indoor wet and odor. With bracket design, simple and solid, can freely adjust the installation position. 3. 50W 12V SOLAR PANEL: With 50W 12V solar panel, it can be powered by sunlight, environmentally friendly and energy saving. The solar panel can be used by placing it under the sunlight. 4. PROTECTIVE NET: Professional round duct fan with protective net to avoid accidental injury and protect the internal parts of the machine. 5. BATTERY STORAGE BOX: Solar powered exhaust fan with battery storage box, install 3 batteries (not included) can support 24 hours operation. Specification: Item Type: Solar Powered Exhaust Fan Material: ABS, Monocrystalline Silicon Weight: Approx. 660g/23.3oz Solar Panel Power: 50W Solar Panel Size: Approx. 16.5x18cm / 6.5x7.1in Exhaust Pipe Fan Diagonal Size: Approx. 16.5cm/6.5in Exhaust Pipe Height: Approx. 10cm/3.9in Exhaust Pipe Outlet Diameter: Approx. 9cm/3.5in Battery Storage Box: 3xBatteries (Battery Storage Box Is Not Shipped with Batteries) . Package List: 1 x Solar Panel 1 x Exhaust Fan1 x Battery Storage Box (Battery Not Included) 1 x Bracket1 x Bracket Fixing Plate3 x Screws 3 x Expansion Rubber Stud Note: Manual measurement please allow some error.