Feature: 1. Durable Material: The door frame is made of iron and the door panel is made of plastic, ensuring premium durability and lightweight design. It is easy to use and resistant to rust or paint loss. 2. Automatic and Manual Modes: This chicken coop door is equipped with both automatic and manual modes for convenience and accurate control. This door combines light sensor, timer setting, and remote control, providing a comprehensive solution for automatically opening and closing the chicken coop door. The remote control mode allows a barrier free control distance of up to 16 meters. The light sensor opening mode automatically opens at dawn and closes at night. 3. Timer Setting Function: The timer mode allows you to set the opening and closing time of the chicken coop door based on seasonal, directional, and behavioral patterns of your chickens, protecting them from harms during the night. 4. LED Display Controller: Equipped with a high definition LED display controller, the door can be easily set and adjusted using the buttons below. The display screen shows the specific opening and closing times of the coop door. 5. Battery Powered Controller: The automatic chicken coop door controller is powered by batteries, eliminating the need for complex wiring. Simply install the batteries in the correct position to use (batteries not included). 6. Easy to Use: Programmable buttons make it easy to set the desired opening and closing times. The door will automatically open in the morning and close at night. Suitable for chickens and ducks of all sizes. A premium accessory for your poultry coop, bringing convenience and keeping them safe. 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 Door1 x Controller10 x Screw1 x Screwdriver1 x Manual1 x Remote Controller Note: 1. Do not use rechargeable batteries in the device.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.3. If the device will be unused for a long time, remove the batteries. The power terminals must not be short circuited.4. In remote control operation, large obstacles may affect the sensing. 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.