Easy to Use: Easy to program buttons. It automatically turns on in the morning and off at night. You can set a timer or use the built-in light sensor (LUX). Operates with 3 AA batteries, can be replaced in 3 minutes without a solar panel Plug and Play Technology: The door can be installed in less than 10 minutes (no complicated wiring or wiring required). Work in Extreme Weather: Waterproof, work in snow, rain, and dust from -26°C to 60°C (-15°F to 140°F). All-in-One Design - Made of a single casting: solid aluminum door and slider. High quality fine powder coated paint (for outdoor environment). Product Description Description: Automatic light-sensitive chicken coop door for pets. Material: Brown plastic Dimensions: 35 x 24 x 3.7 cm Dimensions: 35 x 24 x 3.7 cm - Inner carton: 25 x 5 x 36 cm Product weight: 400 g / 480 g with inner carton. Requires 3 AA batteries. Magnet: The motor contains magnetism. Function: Light sensor (strong light to open the door, dark to close the door),