1、Save Energy: Relying on solar power to power the rotating fan, it does not require the use of batteries, or additional wires, easy to install and saves energy. 2、Effective Role: The solar fan discharges hot air, reduces the indoor temperature, speeds up the air circulation speed, keeps the indoor air circulating, and brings coolness to the animals in the hot summer. 3、Applications: Solar fan ventilators are suitable for kitchens, greenhouses, kennels, chicken coops, barns, cowsheds, etc.; the fan system can be installed in most places where access to household electricity is not convenient. 4、Safety Design: The portable solar fan exhaust fan is equipped with a protective net to avoid injuries to hands and small animals, and to keep the fan blades functioning properly; the solar fan also has a waterproof design, which can avoid short circuits or damage caused by rainwater. 5、Prime Material: This solar panel fan kit has made of premium ABS material, durable and not easy to be damaged, bring good using experience.