Features 1、Four Control Modes: Our automatic chicken coop door has a controller box, which can realize time and light control. By sensing changes in sunlight, light sensors can open doors at dawn and close them at dusk. You can also change the timer manually, the timer and the light sensor can work at the same time, giving you four modes. 2、Protection Function: Once the chicken door opener touches the chicken when it is closed, it will lift and close again after 20 seconds, repeat 3 times to keep your poultry safe. 3、Weatherproof: Grey automatic chicken doors are made of weatherproof galvanized iron and can withstand temperatures from ‑30°C to 55°C. 4、LCD Screen: The clear LCD screen and three external buttons on the ABS controller make it easy to set the time and mode, and it conveniently saves your settings even after a power outage. 5、Large Size: The inner size of the automatic chicken coop door is 30 x 25cm, enough to hold 10lbs of chickens, hens, ducks, etc., you don't have to get up early or worry about weasels, lynx or other hunters. Specifications Item Type: Automatic Chicken Coop Door Material: ABS and Steel Gross Weight: 2483g / 87.6oz Product Size: Approx.30.1 x 42.5 x 9cm / 11.9 x 16.7 x 3.5in Waterproof Grade: IP44 Battery Parameters: 4 AA batteries (not included) Battery Life: 1 year Whether to save automatically after a power failure: Yes Product Use: chicken, duck breeding, etc Package List 1 x Door Opener 6 x Screw 1 x Adapter Cable 1 x Manual