Feature: 1. Easy to install, no need complicated wiring, plug and then to use. 2. Easy to use. It opens automatically in the morning and closes at night, which is very safe. 3. 50cm wide and 50cm high, suitable for most chickens and ducks, meets your needs. 4. The remote control function and infrared are added, which will not kill the poultry. 5. Made of high‑quality aluminum material, durable in use and has a long service life. Specification: Condition: 100% Brand New Item Type: Door Opener Material: Aluminum Weight: Approx. 4650g / 164oz.Application: Photosensitive Control Chicken Door OpenerAluminum Door Size (Unfolding size): Approx. 500 x 500mm / 19.7 x 19.7in Input: 100V-240V Motor Voltage: 12VDC Power: 66W Motor Moving Rate: 5MM / s Environmental Conditions: From -30°C to 55°C Protection Level: IP44 Remote Control Battery Attributes: 27A 12V battery (Not Included) Capacity: 30mAh Battery Length: Approx. 2.8cm / 1.1in Battery Width: Approx. 0.76cm / 0.3in Package List: 1 x Controller Box1 x Linear Actuator1 x Power Adapter1 x Aluminum Door2 x Aluminum Slide1 x Instructions2 x Remote Control (Battery Not Included)1 x 1.5m Tape16 x Accessories Note: 1. Please allow 0‑2 cm 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.