Feature: 1. SAFE ACCESSORIES: Aluminum alloy hinged doors with linear actuators to prevent predators from prying doors at night and taking your chickens away. 2. SENSOR AND TIMER: With reliable light sensor and weatherproof timer, automatically open and close animal cage doors according to your schedule. 3. AUTO OPEN AND CLOSE: When the door is about to close, if there is an object blocking it, it will automatically stop, the door will not close until there is no object, with slow descending speed. 4. APPLICABLE SCENES: Widely used on indoor and outdoor farms and ranches to accommodate chickens, ducks, geese and other livestock with good protection. 5. REMOTE CONTROL: Provide 2pcs remote controls, the maximum remote control distance is 40 meters, which is convenient to control the chicken coop door freely. Specification: Item Type: Auto Chicken Cage Door Opener Motor Voltage: 12VDC Power: 30W Motor Moving Speed: 10MM/s Environmental Condition: -30℃-55℃ Protection Class: IP44 Single Remote Control Battery: 27A 12V battery x 1 (battery not included) Remote Control Maximum Distance: Approx. 40 meter / 131.2ft. Package List: 1 x Controller Box1 x Door1 x Push Rod2 x Rails10 x Screws2 x Remote Controls (Battery Not Included)1 x Plug1 x English User Manual2 x Accessories1 x Screwdriver1 x Tape Measure1 x Hex Wrench