1Light Perception Design- Light sensing design, the door automatically rises when there is light and automatically lowers when there is no light.Generally, it will automatically raise during the day and automatically lower after dark. If you want to close it during the day, you need to cover the photosensitive area. Automatic chicken coop door with timer and light sensor, with displayLCD, battery and power supply2 Strobe light control and four combination modes - The chicken coop door opener is equipped with a timer and a light sensor, which can be switched arbitrarily in combination with 4 working modes.You can set automatic door opening time and automatic closing time via timer mode.In addition, in light mode, there are 23 brightness intervals and the door can also be closed and opened depending on the light intensity.3 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 beused for 8 months;we are also equipped with low battery alarm function, when the battery power is less than 30% (4V), it will indicate that the indicator light keeps flashing, reminding you to replace the battery in time to prevent thechickens to feed normally4 Easy Installation, Large LCD Screen - We have improved working interface of the monitor, the external buttons are easy to operate and LCD screen is easy to read.Simply follow the user manual and learn in 10 minutes how to set the door to open based on time or light and how the door closes.5 Innovative DIY design and multi-scene application - Our control box can pull 0.2-0.8kg door or any other configuration you need;not only can control the movement of chickens, but also control the feeding and watering of chickens;we are also equipped with 4 spare pulleys and ropes and multilingual manuals, for your convenience;