with a completes mounting screw set included, this solar exhaust fan operates without the need for electrical wiring, providing a, renewable source of energy for your ventilation needs Our 15W / 12V Solar Exhaust Fan, designed for efficient ventilation and energy savings in various settings Versatile in application, this Solar Power exhaust fan is perfect for chicken, pet room, greenhouses, or even as a cooling during your outdoor camping adventures Featuring a high efficiency monocrystalline solar panel with over 22% conversion rate and quiet motor fan, this set promises longevity and Suitable for pet owners, poultry farmer, and outdoor enthusiasts seeking a sustainable solution to improve air circulation in confined spaces, Manufacturer: YANPINGJIA