1High Power Output: 20W solar panel power supply to provide strong wind power, which can effectively exhaust dirty air from enclosed spaces such as pet houses and chicken coops, and keep air circulation. 2Security Protection: Solar exhaust fan is designed with a protective net to prevent pets, animals or people from touching the rotating fan blades, ensuring safety during use. 3Multiple Uses: In addition to ventilation for pet houses, this solar fan can also be used for outdoor activities such as camping and field work, providing fresh air where there is no power supply. 4Portable Design: The overall design of the fan kit is compact, easy to carry and move, and can be easily installed in pet houses and other places that need ventilation. No wiring, convenient and fast. 5Energy Conservation: Solar panel power supply, no external power supply, no need to consume additional energy, to realize energy saving and environmental protection.