PLUG AND PLAY TECHNOLOGY - It takes no more than 10 minutes to install the door (no complicated wiring or wiring). BATTERY POWERED - Minimum 1 year lifespan that works in all conditions (2 AA batteries included, you can replace them in 3 mins, no solar automatic chicken door needed). EASY TO USE - Easily programmable push button. It automatically opens in the morning and closes in the evening. You can set the timer or use the built-in light sensor (LUX). WORKS IN EXTREME WEATHER CONDITIONS - Waterproof; chicken door works in snow, rain and dust from -26C to +60C. ALL-IN-ONE DESIGN - One piece; doors and sliders entirely in aluminum. Fine structural color (specifically designed for outdoor environment). TOTALLY SAFE - The automatic chicken coop door opener will not only create a safe chicken coop for your chickens, but also save you a lot of time. This is very important for poultry farmers. Chicken coop accessory that all poultry farmers need. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store