Features Durable and Lightweight: Made of metal and plastic, ensuring safety and durability. Lightweight design with no concerns of paint loss or rust. Automatic Timer Mode: Set opening and closing times based on the season and chicken's routines. Provides convenience and efficiency while protecting your poultry from harm during the night. LED Display Controller: High definition LED display allows for easy setting and adjustment. Shows specific opening and closing times of the coop door. Battery Powered Controller: Powered by batteries, eliminating the need for complex wiring. Simply install the batteries in the correct position to use (batteries not included). Easy to Use: Programmable buttons make it easy to set the desired opening and closing times. Automatically opens in the morning and closes at night. Suitable for chickens and ducks of all sizes. 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