Features: Enhances Intelligent home automation with this Thread Activated light Sensors, featuring Immediate surrounding light monitoring and smooth wireless connection for efficient energy management. Equipped with a low battery Alerts system and Natural app base brightness control, this Small ABS device ensures reliable Performances in diverse environment. Ideal for homeowners, office managers, and commercial Space search Automates lighting solution tailored to dynamic environmental conditions. optimizes Setting in living room, workspaces, or retail areas by remotely adjusting light intensity via the app base on Immediate illuminates data. Its smooth , space saving design integrates discreetly into any setting while delivering Accuracy light measurement for energy awake Intelligent ecosystems. Specifications: Material: ABS Operating Electric : 3V Battery type: button battery Diameter: about 50mm/1.96inch Thickness: about 17mm/0.68inch Package Includes: 1xLight Sensors note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.