Material: Plastic Size: 35x24x3.7cm Batteries: 3 AA required (battery not included) Magnets: Motors contain magnets Function: light sensing, liftable, waterproof (IP44) Package includes: 1 Automatic Coop Door Note: 1. Due to different displays and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Thank you 2. Due to manual measurement, please allow 1-3cm measurement deviation. (1 inch = 2.54 cm) Lightweight Design: The Ultimate Automatic Door for Every Chicken Keeper This automatic chicken coop door opener will amaze you with its waterproof features, sturdy design, light sensor, simple user interface and most importantly, light sensor, allowing you to move freely at night and during the day. Ease of use: No more than 10 minutes to install the door (no complicated wiring or wiring required). Easy to program buttons. Automatically turn on in the morning and turn off automatically at night. You can use an integrated (LUX) light sensor. Rugged: Waterproof for extreme weather; can work in snow, rain and dust from -15F to 140F (-26C to 60C) and withstand high and low temperatures. Easy to Operate: Means your door will work itself when the sun rises and close when the sun goes down.