Function: 1. Function: Dual exhaust fan will keep cool air on hot summer day, clean energy, green way, help eliminate pet odors and more. 2. Advantage: Eliminate peculiar smell, this portable exhaust fan can effectively help keep indoor air circulating, and outdoor solar panels can effectively convert sunlight into electricity. 3. Solar Panel: The solar panel is energy saving and environmentally friendly, which can keep the fan life span with stable performance. 4. Waterproof design: The waterproof design ensures the exhaust fan can be installed indoors or outdoors, suitable for campers, yachts, greenhouses, pet houses, chicken coops, bathrooms. 5. Easy to Install: Flexibility in choosing the location of the solar panel and ensures maximum exposure to sunlight. Connection cable is provided for easy installation. Specification: Item Type: Solar Exhaust Fan Material: monocrystalline silicon, ABS Working voltage: 5V Open circuit voltage: 20V Power: 100W Short circuit current : 2A Solar Panel Size: Approx. 340 x 185 x 2 mm / 13.39 x 7.28 x 0.08 inches Fan Size: Approx. 120 x 120 x 25 mm / 4.72 x 4.72 x 0.98 inch Fan Mounting Plate Size: Approx. 280 x 145 mm / 11.02 x 5.71 inches Installation: Suitable for campers, yachts, greenhouses, animal houses, chicken coops, bathrooms Package List: 1 x solar panel 1 x fan 1 x connection cable