New in box. Never used. Weatherproof design: The fan motor (PCB board/wiring/bearings) is coated to prevent damage from short circuits or rain. With a waterproof rating up to IPX7, it is suitable for outdoor environments. The solar fan comes with an 8.2-foot extension cord and can be installed in greenhouses, chicken coops, sheds, dog houses, window vents, barns, cowsheds, treehouses, attics, and anywhere else, suitable for indoor and outdoor environments. When the solar panels are exposed to direct sunlight, the fan speed can reach 3000 RPM. Fans are 4.73"x4.73".