Feature: 1. RUST RESISTANT DURABLE MATERIAL: Chicken cage door frame is iron sheet metal, door plate is plastic, safe and durable material, light weight, easy to use, not easy to lose paint, no need to worry about rust and other problems 2. TWO MODES: Automatic metal timing curtain chicken coop door using timer mode and manual mode merger, easy to program the button. Opens automatically in the morning and closes automatically at night. The manual mode achieves the purpose of switching by pulling and pressing by hand 3. HIGH EFFICIENCY AND CONVENIENCE: The 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, but also protect your chickens, ducks and other poultry from weasels and other hunters at night 4. LED DISPLAY: metal timing shutter coop door is equipped with HD LED display controller, through the button below to make the time set up clear and easy, through the display screen can clearly see the specific open and close coop door time 5. BATTERY POWERED: The controller for the fully automatic metal timing shutter coop door is battery powered(not included), which does not require complex wiring. You only need to install the battery in the correct position to use 6. PROTECT POULTRY: This automatic coop door is more secure and strong enough to resist hunters, keep poultry safe, and bring convenience to the life of your chickens, ducks and other poultry, suitable for all chickens and ducks of the right size Specification: Item Type: Automatic Chicken Coop Door Category: Intelligent Curtain equipment Applicable: Chicken, duck, goose Product Size: Approx. 37 x 24.7cm / 14.6 X 9.7in, Size After Opening: Approx. 28.5 x 20.5cm / 11.2 x 8.1in Controller Product Size: Approx. 11.2 x 10.2 x 3.5cm / 4.4 x 4 x 1.4in, Including Hook Height: Approx. 11.6cm / 4.6in, Hook Hole Inner Diameter: Approx. 12 x 11mm / 0.47 x 0.43in Controller Battery(not include): 3 x AA dry battery or LR06 alkaline model battery Material: Iron sheet metal, Plastic Weight: 1915 g / 67.5 oz(approx.) Color: Brown. Package List: 1 x Coop Door Host1 x Controller10 x Screw1 x Screwdriver1 x User Manual Note: 1. 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.