Feature: 1. Prime Material: Chicken cage door frame and door plate is aluminum alloy, control area plastic material is ABS, safe and durable, light weight, easy to use, no need to worry about rust and other problems. Suitable for all right sized chickens and ducks to protect poultry. 2. Infrared Anti Clamp Function: When the door is closed at night, if an object blocks the infrared light, it will stop falling and start rising. The door will not close until the object stops blocking the infrared light. If the infrared light disappears, the door of the chicken coop will descend automatically. 3. Timer Mode: Timer mode and manual mode are used concurrently. Timer mode is to manually set the time to open and close the chicken coop door according to the season, direction, and the regular in and out time of the captive chickens to achieve a convenient and efficient effect, and also protect your chickens and ducks and other poultry from other predators such as weasels at night. 4. Remote Control Distance Mode: Accessible control distance can reach 50 meters (Note: remote control distance is affected by weather and battery power). 5. LED Display: The metal model chicken coop door is equipped with a high definition LED display, which makes the time setting clear and easy through the button, through which you can clearly see the specific time of opening and closing the chicken coop door. 6. Button Programming and Light Sensitive Door Opening: Easy to program the buttons. The chicken coop door opens automatically at dawn with automatic sensing and closes automatically at dark. Specification: Item Type: Chicken Coop Door Material: Aluminum alloy ABS Chicken Coop Door Size: Approx. 44.7x30cm / 17.6x11.8inChicken Coop Door Size After Opening: Approx. 29.7x21.3cm / 11.7x8.4inWaterproof Level: IP44Control Function: Light sensor, timing, remote control Voltage: 100-240V Remote Control: 1 x 27A12V battery (not included) Remote Control Installation 1 Time Battery Use Time: 1 year Whether The Original Setting Time is Automatically Saved After Power Failure: No Production Applicable Object: Chicken, duck, goose . Package List: 1 x Chicken Coop Door1 x Bracket1 x Screwdriver10 x Long Screw1 x Short Screw1 x Instruction Manual2 x Remote Control1 x Double Sided Sticker1 x Power Adapter1 x Transparent Rainproof Board Note: Obstacles are too large when remote control will affect the sensing.