Features: brand new and high quality Automatic Modes: Our automatic chicken coops door support lights sensors modes. The chicken coops door with light sensors can open in dawns and close in dusks by detecting the change of sunlight while protecting your chickens from predators in night. Weatherproof Design: The automatic chicken door is made of high-quality plastic material, so it works stably even in bad weather. Battery-powered Convenience: The chicken door is power by 3xAA batteries (batteries are not included), and without other connection and wiring for lower risk of damage. Easy to Install: The automatic chicken coops door battery-powered does not require assembly and complex wiring, just install it in the correct place, plugs in and use. It is perfect to all appropriate-sized chickens and ducks. For Your Convenience: The battery box of the automatic chicken coops door is at the top of drive system, no need to uninstall the chicken coops to change batteries. Specifications: Material: Plastic Color: Brown/Green/Red Style: With-Label/No-Label Size (Approx.): 35x24x3.7cm/13.77x9.44x1.46in Weight: Approx. 400g Package Includes: 1 Piece Automatic Chicken Coops Door (Brown/Green/Red) note: 1.Please allow 0-1cm error due to manual measurement. pls make sure do not mind before bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!