Operate: When the sun shines on 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 more and flexible Epoxy resin surfaces lamination, IP65 waterproof, improves durability The solar panel fan set can be used in homes, greenhouses, utility rooms, pet houses The fan solar panel set can exhaust indoor hot air and effectively reduce indoor temperature