Feature: 1. Adopting 2 in 1 design of photosensitive and timing, supporting light control and time control, free adjustment. 2. Timer setting with integrated LCD display, programmable time, turn on in the morning and turn off at night. 3. Automatic chicken coop door opener kit, plug and play, easy to install, without complicated wiring. 4. Equipped with external buttons, it is faster to use and more convenient and beautiful. 5. Light sensor, digital tube display, receiving signal indicator LED, support for adding key. Specification: Item Type: Chicken House Door Opener Material: Aluminum Weight: Approx. 3025g / 106.7oz Product Size: Approx. 47.5x7.5cm / 18.7x3.0in Purpose: Door openers for chicken houses in farms, for dogs and other animal houses Remote Control Battery: 27A, 1 x 12V Manganese Dry Battery (Battery Not Included) Voltage: 100-240V Installation: 1. Opening: 11in wide, 12 9/16in high, measure twice and cut once 2. Install the guide rails: about 11 inches apart from the inside to the inside to ensure that the door can slide 3. Install the door: connect the rod to the door, and then insert the door into the guide rail 4. Install the actuator rod: when the rod is extended, the distance between the two holes on the actuator rod is 29 11/16 inches 5. Connect the wires: plug the power supply into "IN" and the actuator into "OUT". Package List: 1 x Accessory Kit (8 x Small Screw, 1 x Long Flat Head Screw, 1 x Hex Wrench, 1 x Screwdriver, 2 x White Accessory, 1 x Ruler, 1 x Long Point Head Screw, 1 x Nut)1 x Door Opener Control Lever1 x Plug Adapter1 String x Remote Key (2Pcs) (Battery Not Included)2 x Accessory Rod1 x Foldable Board1 x Door Opener Controller1 x English Manual Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.