1. Function: The solar panel fan kit can push the hot out, effectively reduce the indoor temperature and keep the freshing. 2. 3000 Rpm: The fan can attain 3000 rpm when the sun is directly shining on the solar panel. When the sun is weak, the fan will work slowly or even stop working. 3. Waterproof: The fan motor part (PCB board/wiring/bearing) has been coated to prevent short circuit or damage from rain. 4. Safety Protection: The fan is equipped with a metal protection mesh, which can prevent small animals from being injured and protect the normal operation of the fan blades. 5. Applicability: Suitable for small chicken coops, greenhouses, sheds, pet houses, window exhaust. note: Different batches may have different appearance, which does not affect use. Material: Monocrystalline silicon colour: Black Package Contents: 1 x Solar Panel 1 x Fan Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.