Feature: 1. Cooling and Ventilation: Our solar panel fans can push hot air out and push cold air in, effectively reducing indoor temperature and keeping the air freshness. This is a great solution for greenhouses, sheds, pet houses, window on a hot summer day. 2. Waterproof Design: This 5W solar fan is designed with a double metal cover to prevent injuries and keep the fan blades working properly. The waterproof design prevents short circuits or damage to the fan caused by rain. 3. Low Noise: This exhaust fan has low noise, and the ultra quiet motor will not disturb you and your family at any time, so you can use it with confidence. 4. Easy Installation: The solar panel exhaust fan is easy to install, the all in one solar exhaust fan just needs to be placed in the sun to use, the integrated solar exhaust fan needs to be fixed on the wall or the ceiling is sturdy, you can install it anywhere you like. 5. Widely Used: Solar dual fans are suitable for kitchens, greenhouses, pet houses, chicken coops, barns, sheds, stables, tree houses, attics, etc. Specification: Item Type: Solar Powered Exhaust Fan Material: Monocrystalline Silicon Gross Weight: 449g / 15.8oz Product Size: Approx.28 x 28 x 3cm / 11.0 x 11.0 x 1.2in Fan Size: Approx.12 x 12cm / 4.7 x 4.7in Voltage: 12V Current: 2A Conversion Rate: 23-24% Features: No power storage function. Package List: 1 x Solar Panel Fan4 x Suction Cup