Automatic Chicken Coop Door Timer with Solar / Light SensorMultiple Modes: The automatic chicken door has a light sensing mode, the sunrise and sunset will automatically open and close, and a manual mode, you can open and close the door through the button on the back of the solar panel, with a timer mode, you can set it to your desired door opening and closing time of the day Automatic Chicken Coop Door: The automatic chicken coop door opener uses solar energy, which can be stored in the built in lithium