Features： 1、Iron Sheet Metal And Aluminium Alloy: The door frame of the chicken cage door is iron sheet metal, and door panel is aluminum alloy, which is safe and durable, light in weight, easy to use, not easy to lose paint and rust. 2、Timer Mode: Can not only manually set the time of opening and closing the coop door according to the season, direction and regular entry and exit time of captive chickens, to achieve a convenient and efficient effect, but also protect your chickens, ducks and other poultry from weasels and other predators at night. Coop doors open and close automatically at dawn, automatic sensing. The barrier free control distance can reach 16 meters, and the obstacle control distance is 10 meters. 3、Easy To Use: Light sensing, timing, remote control 3 in 1 automatic metal chicken house door. Easy to program buttons. Automatically turn on in the morning and off in the evening. Achieve convenient and efficient results. No require complicated wiring, just install the battery in the correct location and it can be used. (Shipped without battery) 4、LED Display: With a HD LED display controller, the time setting is clear and easy, and the specific opening and closing time of the chicken house can be clearly seen through the display. 5、Safe: Suitable for chickens and ducks. As a chicken coop accessory, safer and stronger enough to ward off predators and keep poultry safe. Specification： Item Type: Automatic Chicken Coop Door Material: Iron Sheet Metal, Aluminium Alloy Color: Brown Category: Smart Devices Applicable: Chicken, Duck, Goose Weight: Approx. 1360g / 48oz Product Size: Approx. 35.3x24.3cm / 13.9x9.6in After Opening The Coop Door Size: Approx. 25x20cm / 9.8x7.9in Host Battery (Shipped Without Battery): AA Dry Battery Or 3 x LR06 Alkaline Model Battery Remote Control Battery (Shipped Without Battery): 1 x Button Battery, CR2025 Model Control Function: Light Sense, Timing, Remote Control Remarks: Screwdriver Style Is Random Package List： 1 x Chicken Coop Door 8 x Screw 1 x Screwdriver 1 x Manual 1 x Remote Control