describe:* Lightweight design: the ultimate automatic door for every chicken farmerThe waterproof performance of this automatic chicken house door opener will surprise youFunction, rugged design, light sensor, simple user interface, and most importantlyThe light sensor allows you to move freely at night and during the day.* Rugged and durable: suitable for extreme weather and waterproof; capableCan work in -15F to 140F (-26C to 60C) snow, rain and dust, and can withstandHigh temperature and low temperature.* Easy to use: It takes less than 10 minutes to install the door (no needComplicated wiring or wiring required). Facts provedIt turns on automatically in the morning and turns off automatically in the evening.* Easy to operate: means your door automatically works when the sun risesIt is closed when the sun goes down.Specification:Name: Light-sensitive automatic chicken house doormaterial: plasticBattery: 3 AA batteries (batteries not included)Magnet: The motor is magneticFunction: light perception, liftable, waterproof (IP44)Size: 35x24x3.7cmColor: black brownThe package includes:1 * Light-sensitive automatic chicken house doornotes:1. There is a slight color difference between manual measurement and actual productDifferent display settings, please allow 1-3cm (0.4-1.18") difference.2. Due to the difference of light and screen, the color of the product may changeSlightly different from the picture. Please understand that.