Features1Plastic Material: The chicken coop door is made of plastic materials which is safe and durable, lightweight and easy to use without causing harm to pet. 2Light Sensing: The chicken coop doors open and close automatically at dawn or dusk, automatic induction with light sensing function. 3Easy Installation: No complex wiring, with mounting screw holes and comes with 8 screws, simple operation, very convenient to install. 4Protect Your Poultry: This automatic coop door is safer and stronger enough to ward off other large animals and keep your poultry safe. 5Simple Operation: One key to start or close the coop door, really simple to operate. Chicken coop accessories that every poultry farmers need.SpecificationItem Type: Automatic Chicken Coop DoorMaterial: PlasticWeight: Approx. 562g/19.8ozProduct Size: Approx. 35x24cm/13.8x9.4inSize After Door Opening: Approx. 25x20cm/9.8x7.9inCategory: Smart deviceApplicable Poultry: chicken, duck, gooseBattery: AA dry battery x 3 (shipped without battery)Package List1 x Automatic Chicken Coop Door 8 x Screws 1 x Specification