Name: Light Sensing Automatic Chicken Coop Door material: plastic Battery: 3 AA batteries (battery not included) Magnet: The motor contains magnets Function: light sensing, liftable, waterproof (IP44) Size: 35x24x3.7cm Color: black brown Package includes: 1*Light-Sensitive Automatic Chicken Coop Door Note: 1. Please allow for 1-3 cm (0.4-1.18 inches) difference due to manual measurement, and slight color differences for different display settings. 2. Due to light and screen differences, the color of the item may be slightly different from the picture. Please understand that. Super lightweight design: The ultimate automatic door for every chicken farmer This automatic chicken coop door opener features waterproof features, a sturdy design, a light sensor, a simple user interface and most importantly, a light sensor that gives you freedom at night and during the day move. 100% Rugged: Suitable for extreme weather and waterproof; can work in snow, rain and dust from -15F to 140F (-26C to 60C) and withstand high and low temperatures. *Easy to use: 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 the integrated (LUX) light sensor. * Simple operation: you can use the test button to set the open timer.