Requires 3 AA batteries, can be replaced in 3 minutes without a solar panel (package not included) Plug and Play technology: the door can be installed in less than 10 minutes (no complicated wiring or wiring required). Work in extreme weather conditions: waterproof, work in snow, rain and dust from -26C to 60C (-15F to 140F ). One-piece design: strong PP plastic and slider. Fine premium paint with powder coating (for outdoor environments). Description: Automatic light-sensitive chicken coop door for pets. 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: 400g / 480g with inner carton. Requires 3 AA batteries (not included). Magnet: The motor contains magnetism. Function: Light sensor (strong light to open the door), dark to close the door), lift, waterproof (IP44). Contents: 1 chicken coop door. < p>Notes: 1. Due to many factors such as light and brightness of the screen, the actual color of the project may be slightly different from the color shown on the website. 2. Please allow slight size difference due to measurement data. 3. Dimensions may vary from 1 to 3 cm.