The fan solar panel set can exhaust indoor hot air and effectively reduce indoor temperature. Operate: When sun shines at the solar panel, connecting the interfaces and the fan can start. When the sunlight is insufficient, the fan will work slowly or even stop working. Easy to use: Place the solar panel in a place that can receive sunlight, install a fan, and connecting it for use. None Wiring usage is flexible. The solar fan motor is coated to prevents short circuit or rain damage. Suitable for outdoor use. The solar panel fan set can be used in homes, greenhouses, utility room, pet houses.