Lightweight design: the ultimate automatic door for every chicken farmerThis automatic chicken house door opener surprises you with its waterproof function, sturdy design, light sensor, simple user interface and most importantly light sensor, allowing you to move freely at night and during the day. * Rugged and durable: suitable for extreme weather and waterproof; will work in -15F to 140F (-26C to 60C) snow, rain and dust, and can withstand high and low temperatures. * 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 an integrated (LUX) light sensor. * Easy to operate: means that your door will work on its own when the sun rises and close when the sun goes down. If necessary, you can use the test button to set an open timer. Specification:Name: Light-sensitive automatic chicken house doorMaterial: PlasticBattery: 3 AA batteries (not including batteries)Magnet: The motor contains magnetismFunction: light perception, liftable, waterproof (IP44)Size: 35x24x3. 7cmColor: black brownPacking included:1 * Light-sensitive automatic chicken house doorNote:1. Please allow 1-3cm (0. 4-1. 18") difference due to manual measurement and slight color variation for different display setting. 2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.