Features Durable and Lightweight: Metal frame and plastic door panel ensure safety and durability, while being lightweight and rust-resistant, providing long-lasting use without concerns of paint loss or rust. Automatic Timer Mode: Set the door in timed mode to automatically open and close based on season, direction, and poultry routines, offering convenience and efficiency while safeguarding your chickens at night. LED Display Controller: High definition LED display allows easy setting and adjustment of opening and closing times, providing clear visibility of the coop door schedule. Battery Powered Controller: Operates on batteries, eliminating the need for complex wiring, ensuring easy installation and use (batteries not included). Easy to Use: Programmable buttons simplify setting opening and closing times, automatically opening in the morning and closing at night, suitable for chickens and ducks of all sizes, offering 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