Solar Powered & USB Charging:our automatic chicken coop door has a built-in 2000 mAh battery, a large solar panel and a type c cable, which can be powered by solar energy or charged using type c. Ensures continuous working in any weather. Solar power saves money and is eco-friendly. Battery-only power is prone to power off easily and requires frequent replacement.Timer & Light Sensor: 4 modes available, enabling customizable operation using timer + light sensor. Set the timer from 0 to 24 hours; Light sensitivity value60 defaults to day, while light sensitivity value30 defaults to dawn. Once set up, the poultry coop door will run automatically, allowing you to enjoy a worry-free vacation.Remote & Manual ControlThe automatic chicken door supports up to 15 meters of remote control distance, as well as manual settings on the chicken door panel, providing great flexibility and convenience. Even on a cold day, you can control it remotely from your doorstep. And please note that when using the remote control for the first time, open the battery cover on the back to remove the power blocking tape inside.Anti-Pinch FunctionWith the poultry's safety first in mind, we have designed the anti-pinch feature. If the door senses a poultry while closing, it will rise 3cm and stands still for 10s before closing again. Keep your poultries safe.Alert SystemDesigned with alert system, if 3 abnormal door closings occur, a continuous red light and beep alarm will sound until the door is properly closed. Moreover, if a predator forces the closed door open, a flashing red light and alarm will activate to scare off the predator or notify you of a abnormal situation in your coop.