"PLUG AND PLAY TECHNOLOGY - It takes no more than 10 minutes to install the gate (no complicated wiring or hardwiring). BATTERY POWERED - Minimum 1 YEAR life that works in all conditions (2 AA batteries NOT included, you can compatible them in 3 minutes, no need compatible solar cells) EASY TO USE - It automatically opens in the morning & closes in the evening. You can or use the built-in light sensor (LUX). WORKS IN EXTREME WEATHER - Waterproof; will operate in snow, rain and dust from -15F to 140F (-26C to 60C) ALL IN ONE DESIGN - One piece lightweight plastic door and slide. High quality powder coated fine structural color (explicitly designed compatible the outdoor environment) Withstands high and low temperatures Automatic chicken coop door is resistant to high and low temperatures Easy to install chicken coop door This chicken coop opener is safely packaged security and comes with 6 screws and an instruction manual. No need compatible grueling assembly. The doors operate by themselves using light-sensing technology, so they rise with morning light and lower when there is no light around. The intuitive design allows your chickens to have the best time outdoors and sleep most of the night when behind safe doors. Set and go setting means your door will run on its own when the sun comes up and close when the sun goes down. Package List: 1 * Chicken Coop Door 6 * Screws 1 * Instruction Manual"