Features: 1. Plug and play technology: It takes no more than 10 minutes to install the door (no complicated wiring or cabling). 2. Battery powered: Powered 3 AA batteries by Minimum of 6 months battery life that works in normal conditions (batteries not included). 3. It automatically opens in the morning & closes in the evening. 4. Works in extreme weather: Waterproof; will work in snow, rain, and dust from -15F to 140F (-26C to 60C). 5. All in one design: One piece; plastic doors and slider. High-quality powder-coated. Fine structural color (explicitly designed for the external environment). Specifications: Material: plastic Size:35x24x3.7cm Battery: 3 AA batteries (not included) Function: light perception, liftable, waterproof (IP44) Package Included: 1 * Automatic Chicken Coop Door