Name: Light-sensitive automatic chicken house doorMaterial: Plastic Battery: 3 AA batteries (not including batteries) Magnet: The motor contains magnetism Function: light perception, liftable, waterproof (IP44) 35x24x3.7cm  Color: black brown Packing  included: 1 * Light-sensitive automatic chicken house door Note:&nbsp 1.Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting.&nbsp2.Due to the light and screen difference, the item's color may be slightly diffrent from the pictures. Please understand Lightweight design: the ultimate automatic door for every chicken farmer This 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. You can set a timer or use an integrated (LUX) light sensor.