1、AUTO OPEN AND CLOSE: With reliable light sensor and weatherproof timer, can be opened and closed at any time, suitable for 9in‑39in doors, weighing up to 44lb, often suitable for chicken, duck and other animal cages. 2、SAFETY MECHANISM: Integrated safety sensors prevent doors from closing over any late birds to prevent injury, while aluminum alloy construction is corrosion resistant to keep predators out at night. 3、GOOD PROTECTION: Features a 30W DC motor for reliable operation at a quiet 35dB, and IP44 enclosure easily protects against rain and other harsh weather. 4、REMOTE CONTROLS: For problem animals or emergencies, two remote controls are included to easily operate the chicken gate from 130 feet away, with good sensitivity. 5、FLEXIBLE CABLES: Power and actuator cables use type A connectors to connect small solar cells or 5.5x2.1mm coaxial extension cables for greater flexibility.