Features: Upgraded your poultry ventilation with this solar power chicken coops fan featuring a built in 2500mAh battery for airflows, light sensing auto start/stop, and customizable timer modes to optimize energy efficiency. Equipped with adjustable exhaust fans and high efficiency solar panel, this waterproof unit offer flexible airflows configurations (intakes/exhaust) for consistent operations in low light condition. Great for poultry farmers, pet owners, and homesteaders seeking automated climate control for chicken coops, greenhouses, barns, or outdoor shelters. Maintain better air quality in small livestock enclosures, dog kennels, sheds, or camping trailers by expelling heat/humidity while drawing freshed oxygen through its sensors activated smart cycling. Quality ABS and aluminum alloy construction withstands harsh weather, while the wall/roof mountable solar panel ensures easy installation for year round ventilation. Specifications: Component: ABS, aluminium alloy Product Size: As pictures shown Input: 12V1000mAh Package Includes: 1 Set Solar Fan for Chicken coops note: Please allow 0-1cm error due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color the item