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 arbitrarily switched in combination with the four working modes. You can set the automatic door open time (0:00-12:00) and automatic 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 needs 4 ordinary 1.5V batteries (the product does not include batteries) , which can be used for 8 months; we are also equipped with a low battery alarm function, when the battery power is lower than 30% (4V), the indicator light will keep 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 operate, and the LCD screen is easy to read. Just follow the user manual 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 0.2-0.8 kg door or any configuration you need; 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 multilingual manual. Weather resistance and 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 even in extreme weather conditions, withstanding temperatures from -22F to 131F.