1.Timer mode and manual mode: This automatic chicken coop door adopts timer mode and manual mode. Manual mode is used to achieve the switching purpose by hand by pulling and pressing. timer mode allows you to manually set the opening and closing time of the chicken coop door according to the season, direction and pattern of captive chickens, easy to operate, achieving a practical and efficient effect . 2. HD LED display controller: The automatic metal chicken coop door with timer is equipped with a high-definition LED display controller. Setting the time is clear and easy using the button at the bottom. The precise opening and closing time of the chicken coop door is clearly visible through this display. 3. Applicable objects: The automatic chicken coop door is suitable for all chickens and ducks of appropriate size. Chicken coop accessory, it will bring comfort to your chickens, ducks and other poultry! It is safer and stronger, sufficient to resist predators and protect poultry. 4. Metal material: the door frame of the chicken coop door is made of iron sheet and the door panel is made of aluminum alloy, which is safe and durable, lightweight, not easy to lose paint, and does not fade. no need to worry about rust and other problems. 5. Easy to use: It is easy to program the buttons. The automatic chicken coop door opens automatically in the morning and closes automatically in the evening. Specification: Item Type: Battery Operated Automatic Chicken Coop Door Material: Fertle, Aluminum Alloy Weight: Approx. 1984g / 4.4lb Voltage: 100-240V Applicable objects: chicken, duck and goose Product size: approx. 37x24.7cm / 14.6x9.7in Chicken Coop Door Size after Opening: 28.5 x 20.5cm / 11.2 x 8.1in Controller Size: Approx. 11.2x10.2x3.5cm / 4.4x4.0x1.4in Height with hook: approx. 11.6cm / 4.6in Hook Hole Inner Diameter: Approx. 12x11mm / 0.5x0.4in Controller Battery: 3 x AA dry batteries or LR06 alkaline batteries (comes without battery) Power supply mode: AA battery or power plug Package List: 1 x Power Adapter 1 x Chicken Coop Door 1 x 6 x Controller screw (plus is a gift) 1 screwdriver 1 manual Note: Battery usage precautions: 1. Do not use rechargeable batteries in the device. 2. The new battery and the old battery should not be mixed. Before inserting the battery, make sure the battery is inserted with the correct polarity (positive "+" and negative "-"). Remove the battery from the device and handle it safely. 3. If the device is inactive for a long time, remove the battery. The power terminal must not be short-circuited.