Automatic Chicken Coop Door Solar Powerd Metal Rolling Curtain Chicken House Door with Timer for Chicken Duck Poultry Item Type: Automatic Chicken Coop Door Material: Iron Sheet Metal, Plastic Weight: Approx. 2201g/77.6oz Size: Chicken Coop Door Size: Approx. 37x24.7cm / 14.6x9.7in Chicken Coop Door Size (After Opening) : Approx. 28.5x20.5cm / 11.2x8.1in Controller Size: Approx. 11.2x10.2x3.5cm / 4.4x4.0x1.4in Including Hook Height: Aprpox. 11.6cm/4.6in Hook Hole Diameter: Approx. 12x11mm / 0.47x0.43in Applicable Objects: Chickens, Ducks, Geese Controller Batteries (Shipped Without Batteries): AA Dry Cell or LR06 Alkaline Type Batteries x 3 Solar Panel Battery (Shipped with Built in Battery): 18650 Model, Lithium Ion Battery, 1200mAh Power Supply: AA Batteries or Solar Panel Power Supply Either One of Two