Feature 1Iron 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. 2Timer 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. 3Easy 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) 4LED 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. 5Safe: Suitable for chickens and ducks. As a chicken coop accessory, safer and stronger enough to ward off predators and keep poultry safe.Item Type: Automatic Chicken Coop Door Material: Iron Sheet Metal, Aluminium AlloyColor: BrownCategory: Smart DevicesApplicable: Chicken, Duck, GooseWeight:1360g/48ozProduct Size:35.3x24.3cm/13.9x9.6inAfter Opening The Coop Door Size:25x20cm/9.8x7.9inHost Battery (Shipped Without Battery): AA Dry Battery Or 3 x LR06 Alkaline Model BatteryRemote Control Battery (Shipped Without Battery): 1 x Button Battery, CR2025 ModelControl Function: Light Sense, Timing, Remote ControlRemarks: Screwdriver Style Is Random .Package List:1 x Chicken Coop Door 8 x Screw 1 x Screwdriver 1 x Manual 1 x Remote Control Note1. Do not use rechargeable batteries in devices. 2. Do not mix old batteries with new batteries. Before inserting the battery, make sure the battery is inserted with the correct polarity (positive + and negative ). The battery should be removed from the device and disposed of safely. 3. If the device is idle for a long time, take out the battery. The power terminal must not short circuit. 4. Remote control, if the obstacle object is too large, it will affect the induction.5. The sense of light can only be sensed by natural light during the day, and the sense of light can only open the door because it can easily close the door too early and affect the entry of chickens. Therefore, the door can only be closed with a timed function.