Time light control and four combination modes: The automatic chicken coop door opener is equipped with a timer and a light sensor, which can be switched at will in combination with the four working modes. You can set auto door open time (0:00-12:00) and auto door close time (12:00-23:00) via timer mode. Super long battery life and low battery alarm : The super upgraded circuit board system only requires 4 ordinary 1.5V batteries (the product does not contain batteries), which can be used for 8 months; We are also equipped with a low battery alarm function. When the battery power is less than 30% (4V), the indicator light keeps flashing, reminding you to replace the battery in time. EASY INSTALLATION, LARGE LCD SCREEN: We have improved the working interface of the monitor, the external buttons are easy to use and the LCD screen is easy to read. Just follow the user guide and learn how to set the door to open by weather or light and how to close it in 10 minutes. Innovative DIY design and multi-application scenes: Our control box can pull a 0.2-0.8kg door or any configuration you want; not only control the movement of chickens, but also control the feeding and watering of chickens; For your convenience, we also come with 4 spare pulleys and ropes and a multi-language instruction manual. Weather resistance and high-quality materials: Our automatic chicken coop doors are made of high-quality circuit boards and motors. High-quality with added antifreeze. They are durable and perform well in extreme weather conditions as they can withstand temperatures from -22F to 131F. We provide customers with professional after-sales service and technical support. Please do not hesitate to contact us.