Designed for daytime use with solar dependent , this energy efficient ventilation eliminates odors and while supporting off through renewable solar power Powered by 8W solar panel, this 4 inch exhaust fan delivers efficient ventilation with a brushless motor for quiet , ideal for greenhouses, coops, and outdoor spaces requiring control and management Ideal for conscious homeowners, farmers, and pet owners seeking sustainable for enclosed areas like sheds, kitchens, or chicken coops Perfect for ventilating sunlit spaces such as greenhouses, workshops, bathrooms, and attics where natural air is essential during hours Featuring a 5.9x5.9 inch panel and 3.86 inch duct, the fan's compact design and 16ft cable easy installation in various settings without external power sources, while its construction durability, Manufacturer: Zktfyshk