Features: This door is specially designed for automatic opening and closing of chickens and pets. IP44 waterproof level allows normal use in extreme weather conditions and long service life. Easy to install and remove, does not require too much professional skills, and you can finish installing it by yourself. Trustworthy and reliable to ensure the safety of your chickens day and night, this chicken coop door is an indispensable tool to ensure the safety of chickens. With this tool, you don't have to worry about forgetting to open or close the door. Specifications: Material: Plastics Color: Black Power supply: 3 * AAA battery (NOT INCLUDED) Magnetic: The motor has the magnetism Package size: 360 * 250 * 50mm / 14.1 * 9.8 * 2.0in Package weight: 480g / 1.1lb Note: Please read the product manual carefully before using it. Packing list: 1 * Automatic Open Coop Door