1. Solar-powered fans and ventilators can be widely used in places that require cooling and exhaust. 2. They are suitable for kitchens, greenhouses, pet houses, chicken coops, barns, stables, tree houses, attics, etc. 3. The cooling fans are powered by solar panels and are relatively easy to install. Simply connect the interfaces of the solar panel and the fan, and then place it in the sun for use. 4. The fans are equipped with a double-layer metal protective net, which can help prevent hands and small animals from getting injured and protect the normal operation of the fan blades. 5. Specification parameters: - Solar cell: Monocrystalline silicon - Solar panel power: 3W - Solar panel operating voltage: 12V - Solar panel size: 150 x 150 x 3mm - Output port: DC5521 female connector - DC cable length: 150cm - Fan power: 3W - Fan air volume: 43.4CFM - Fan size: 12 x 12 x 2.5cm - Fan speed: 2200 (RPM) - Color: Black - Material: Monocrystalline silicon + plastic + metal 6. Package contents: - One 3W solar panel - One fan - Two fan covers - Four screws Generally, only the above package contents are included, and other products are usually not included. 7. Notes: Light reflection and different monitors may cause slight differences between the color of the items in the pictures and the actual objects. The allowable measurement error is around +/- 1 - 3cm.