Features: Easy to install and use, has a long service life. Trustworthy and reliable to ensure your chickens are safe and night. This chicken coop accessory is an indispensable tool to ensure chicken safety. It uses high-brightness digital tube to display the opening and closing time of the chicken door. With remote control function,light sensor function, it is more intelligent and safe, and will not kill chickens. Specifications: Material: metal Main color: silver Motor voltage: 12V DC Power: 66W Motor moving speed: 5mm/s Environmental condition: -30& 8451;~55& 8451; Protection grade: IP44 Remote control battery: 1 * 12V 27A battery (not included) Door width: 300mm / 11.8in Door height: 300mm / 11.8in Package size: 680 * 190 * 130mm / 26.8 * 7.5 * 5.1in Package weight: 3013g / 6.6lb Packing List: 1 * Chicken Coop Door Automatic Opener Kit