Name: Photosensitive automatic chicken coop door Material: Plastic Battery: 3 AA batteries (battery not included) Magnets: Motors contain magnets Function: light sensing, liftable, waterproof (IP44) Size: 35x24x3.7cm Color: Black Brown Package includes: 1 * Photosensitive Automatic Chicken Coop Door Note: 1. Please allow 1-3cm (0.4-1.18"") difference due to manual measurement and slight color variation with different display settings. 2. Due to light and screen differences, the color of the product may be slightly different from the picture. Please understand that. * Lightweight Design: The Ultimate Automatic Door for Every Chicken Farmer This automatic chicken coop door opener is waterproof, sturdy design, light sensor, simple user interface and most importantly light sensor, allowing you to move freely at night and during the day. 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: It takes less than 10 minutes to install the door (no complicated wiring or wiring required). Easy to program buttons.