This is a powerful 100 watt solar powered fan. There are two 50 watt panels connected to work together to produce 100 watt solar energy. It is great for camping, outdoors, backyard, garage, shed, RV or home. Keeps the cool and ventilated with fresh air circulation all day. It's portable so it can be carried outdoors. The dimension of the Standing Floor Fan comes with a 3 foot adjustable stand and 16" x 16" x 3" frame and 10" high efficiency fan blade with a powerful fan motor which produces very good air flow. The fan can be installed anywhere in the room and can be connected to the solar panel. Full refund if the product is defective.