Automatic Chicken Coop Door Light Sensing House ChickenDoor Opening Timer At Night And Morning Delay Chicken Pet Dog Cages Door|Dog Doors & Rampsdescribe:material: plasticColor: black brownSize: 35x24x3.7cmProduct weight: 400g / 480g with inner boxBattery: 3 AA batteries (not included)Magnet: The engine contains magnetismFunction: light sensor (open the door with strong light, close the door in darkness), can be raised and lowered, waterproof (IP44)Features:[Lightweight design] An automatic door suitable for every chicken farmer This automatic chicken house door opener will surprise you with its waterproof function, sturdy design, light sensor, simple user interface and most importantly light sensor, allowing you to feel free during the day and night.[Easy to use]-It takes less than 10 minutes to install the door (no complicated wiring or wiring required). Easy to program buttons. It turns on automatically in the morning and turns off automatically in the evening. You can set a timer or use the integrated light sensor (lux).[Battery power supply] It can be used for at least 3 years of battery life under all conditions, and can be replaced within 3 minutes, without solar batteries (the package does not include batteries).[Rugged and durable] Suitable for extreme weather and waterproof; can work under -15f 140f (-26c to 60c) snow, rain and dust, and can withstand high and low temperatures.[Easy to operate] means that your door will operate by itself when the sun rises, and will automatically close when the sun goes down. If necessary, you can use the test button to set an open timer.The package includes:1*Light-sensitive automatic chicken house door