Product detailsMaterial: PlasticSize: 35x24x3.7cmFunction: Light-sensing, height-adjustable, waterproof (IP44)The installation of the door takes no more than 10 minutes (without complex wiring or wiring). Battery-powered - at least one year of lifespan that can be used in all cases (including 3 AA batteries, which you can replace within 3 minutes). Easy to use - easy to program buttons. It will open automatically and close automatically. Working in extreme weather conditions - waterproof; Ji Men is experiencing snow, rain and dust ranging from -26 C to +60 C. All-in-one design - One piece; The door and the slider are completely in aluminium. Fine structural colors (specially designed for outdoor environments). Completely safe - The automatic chicken coop door opener not only creates a safe chicken coop for your chickens, but also saves a lot of time. This is very important for poultry farmers. Chicken barn accessories that all poultry farmers need.