Features Durable Material: Made of iron and plastic, ensuring premium durability and lightweight design. Resistant to rust or paint loss, providing long-lasting usage. Automatic and Manual Modes: Equipped with automatic and manual modes, light sensor, timer setting, and remote control for convenient and accurate control. Remote control mode allows barrier-free control up to 16 meters. Timer Setting Function: Allows setting the opening and closing time based on seasonal, directional, and behavioral patterns of your chickens, protecting them during the night. LED Display Controller: High definition LED display controller for easy setting and adjustment. Displays specific opening and closing times of the coop door. Battery Powered Controller: Powered by batteries, eliminating the need for complex wiring. Easy installation and suitable for chickens and ducks of all sizes. Specification: Item Type: Automatic chicken coop door opener Material: Iron, plastic Weight: Approx. 2216g / 78.2oz 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 Space: 12x11mm / 0.5x0.4in Controller Battery: AA dry battery or LR06 alkaline battery x 3 (both not included) Remote Controller Battery: 1 x CR2025 button battery(not included) Control: Light sensor, timer, remote control Application: Chicken, duck, goose Package List: 1 x Chicken Door 1 x Controller 10 x Screw 1 x Screwdriver 1 x Manual 1 x Remote Controller Note: betweendiv>1. Do not use rechargeable batteries in the device.between/div>betweendiv>2. Do not mix new and old batteries. Make sure to insert the batteries with the correct polarity (positive "+" and negative "‑") before inserting them into the device. Remove the batteries from the device and dispose of them safely.between/div>betweendiv>3. If the device will be unused for a long time, remove the batteries. The power terminals must not be short circuited.between/div>betweendiv>4. In remote control operation, large obstacles may affect the sensing. between/div>betweendiv>5. The light sensor can only sense natural light during the day and recommend only be used to open the door because it may close the door too soon. It is recommended to use the timer function for closing the door to avoid affecting the chickens' entry into the coop.between/div> Package List 1 x DIN-Rail Electric Meter 1 x Manual 4 x Accessories