Feature: 1. Effective Heat Dissipation: Dual solar fans expel hot air, reduce indoor temperature, speed up air circulation, keep indoor air circulation, and bring cool to animals in hot summer. 2. Energy Saving: Double exhaust fan rely on solar power to rotating, do not need to use batteries, do not need additional wires. Just install solar panel in the outdoor, easy to install. 3. With Protective Net: the solar exhaust fan is equipped with protective net to avoid injuries to hands and small animals and maintain the normal operation of the fan blade. 4. Dual Waterproof Fan Kit: The kit consists of two fans, a 10W solar panel, and a cable. The fan is waterproof to avoid damage caused by short circuits or rain. 5. Wide Application: Solar double fan is suitable for kitchen, greenhouse, pet room, chicken house, barn, cowshed, etc. Fan systems can be installed in most places that do not have easy access to household electricity. Specification: Item Type: Solar Panel Fan KitSolar Panel Size: Approx. 27x 17.5cm / 10.6 x 6.9in(length x width) Fan Size: Approx. 12 x 12 x 2.5cm / 4.7 x 4.7 x 1in( long x wide x thick) Solar Panel Power: 10W Material: ABS Interface: DC connection. Package List: 2 x Fan1 x Solar Panel1 x Cable