Works with 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 needed). Work in extreme weather conditions: waterproof, work in snow, rain and dust of -26 C to 60C (-15F to 140F). One-piece design: solid PP plastic and slider. Premium fine powder coated paint (for outdoor environments). Description: Automatic chicken coop door light sensitive 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: 400 g/480 g with inner carton. Operates with 3 AA batteries (not included). Magnet: the motor contains magnetism. Function: light sensor (strong light to open the door), dark to close the door), elevator, waterproof (IP44). Contents: 1 henhouse door. Notes: 1. Due to many factors such as brightness and brightness of the display, 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.