Features Durable and Lightweight: Metal frame and plastic door panel ensure safety and durability, while being lightweight and rust-resistant for long-lasting use. Automatic Timer Mode: Set custom opening and closing times based on season and chicken routines, providing convenience and protection during the night. LED Display Controller: High definition LED display allows easy setting and adjustment of opening and closing times, providing clear visibility of coop door status. Battery Powered Controller: Operates on batteries, eliminating the need for complex wiring, ensuring hassle-free installation and use (batteries not included). Easy to Use: Programmable buttons for setting opening and closing times, offering automatic operation suitable for chickens and ducks of all sizes, providing convenience and safety for your poultry coop. Specification: Item Type: Automatic chicken coop door opener Material: Iron, plastic Weight: Approx. 2206g / 77.8oz Door Opener Size: 37x24.7cm / 14.6x9.7in Door Panel Size: 28.5x20.5cm / 11.2x8.1in Controller Size: 11.2x10.2x3.5cm / 4.4x4x1.4in Controller Height with hook: 11.6cm / 4.6in Hook Hole Inner Diameter: 12x11mm / 0.5x0.4in Controller Battery: AA dry battery or LR06 alkaline battery x 3 (both not included) Control Mode: Auto mode, manual mode Application: Chicken, duck, goose Package List: 1 x Chicken Door 1 x Controller 10 x Screw 1 x Screwdriver 1 x Manual Note: betweendiv>Battery Usage Notes:between/div>betweendiv>1. Do not use rechargeable batteries in the device.between/div>betweendiv>2. Do not mix new and old batteries. Before inserting the batteries, make sure they are inserted with the correct polarity (positive "+ " and negative "‑"). Remove the batteries from the device and dispose of them properly.between/div>betweendiv>3. If the device is left unused for a long period of time, remove the batteries. Do not short circuit the battery terminals.between/div> Package List 1 x DIN-Rail Electric Meter 1 x Manual 4 x Accessories