Function: 1. The efficiency of monocrystalline solar cells is as much as 20%. 2. Outdoor solar panels can effectively convert sunlight into electricity. 3. Keeping the air clean can help eliminate the smell of pets, tobacco, etc. 4. Equipped with a standard USB voltage regulator to keep the output 5 6V. 5. Laminated surface with epoxy resin, IP65 waterproof, improves durability. 6. Portable, 4 eyelets, 4 free suction cups attached to the window for indoor use. 7. Suitable for greenhouses, pet houses, treehouses and campers, etc., maintaining a comfortable temperature level. Specification: Item Type: Solar Panel Exhaust Fan Material: monocrystalline silicon Color: as shown in the photos Power: 10W Vpmax: 6V Ipmax: 1.53 Adjustable USB output: 5V 1000ma Panel Size: Approx. 218 x 190 x 2.5 mm / 8.6 x 7.5 x 0.1 inch Exhaust Fan Size: Approx. 120 x 120 x 25 mm / 4.7 x 4.7 x 1.0 inch Package List: 1 x solar panel, 1 x exhaust fan, 2 x carabiner, 4 x suction cup Note: