Features 1Premium Material: The chicken coop door frame is made of iron sheet metal and the door panel is made of plastic which is made of premium material safe and durable light weight easy to use not easy to lose paint no need to worry about rust and other problems. 2Dual Mode Combination: Automatic chicken coop door adopts both timer mode and manual mode. The manual mode is by hand pull and hand pressure to achieve the purpose of opening and closing. Easy to program the button. Automatically opens in the morning and closes at night. 3Power Supply: The controller of the fully automatic metal timing rolling shutter chicken coop door is powered by AA batteries or solar panels either one of the two does not require additional complex wiring just install the solar panel in a location with sufficient outdoor sunlight to use. 4Timer Mode: Timed chicken house door can be manually set to open and close the door according to the season direction and the regular entry and exit time of the captive chickens which is convenient and efficient and guards the poultry from other predators such as weasels at night. 5LED Display Controller: Automatic chicken coop door is equipped with high definition LED display controller which makes the time setting clear and easy through the bottom button and you can clearly see the specific opening and closing time of the chicken coop door. 6Safety Protection: The rolling curtain poultry house door is suitable for all sizes of chickens and ducks. Convenient for your chickens ducks and other poultry! Safe and sturdy enough to guard poultry against predators. Specification Item Type:AutomaticChickenCoopDoorMaterial: Iron Sheet Metal PlasticWeight: Approx. 2201g/77.6ozSize:Chicken Coop Door Size: Approx. 37x24.7cm / 14.6x9.7inChicken Coop Door Size (After Opening) : Approx. 28.5x20.5cm / 11.2x8.1in Controller Size: Approx. 11.2x10.2x3.5cm / 4.4x4.0x1.4inIncluding Hook Height: Aprpox. 11.6cm/4.6in Hook Hole Diameter: Approx. 12x11mm / 0.47x0.43in Applicable Objects: Chickens Ducks GeeseController Batteries (Shipped Without Batteries): AA Dry Cell or LR06 Alkaline Type Batteries x 3Solar Panel Battery (Shipped with Built in Battery): 18650 Model Lithium Ion Battery 1200mAhPower Supply: AA Batteries or Solar Panel Power Supply Either One of Two Package List 1 x Chicken Coop Door Host1 x Controller (Batteries Not Included)10 x Screws1 x Screwdriver1 x Manual1 x Solar Panel2 x Solar Panel Bracket Accessories Note 1. Precautions for battery use: 1). Do not use rechargeable batteries in the device. 2). Do not mix new batteries and old batteries. Always make sure the batteries are inserted with the correct polarity (positive + and negative ) before inserting them. Batteries should be removed from the device and disposed of safely. 3). If the device is left idle for a long time the batteries should be removed. The power terminals must not be short circuited.2. Please allow some error in manual measurement.