LIGHTWEIGHT DESIGN: THE ULTIMATE AUTOMATIC DOOR OPENER FOREVER This automatic chicken coop door opener is known for its water resistance, rugged design, light sensor, simple user interface, and most importantly, the light sensor that lets you move freely at night and during the day You were taken aback that day. 100% DURABLE: Weatherproof and waterproof; work in snow, rain and dust from -15F to 140F (-26C to 60C), and withstand high and low temperatures. Installing the door takes less than 10 minutes (no complicated wiring or wiring required). Easy-to-program buttons. Automatically turns on in the morning and turns off in the evening. You can set up an integrated (LUX) light sensor. * EASY TO OPERATE: Means your door automatically works at sunrise and closes at sunset.