Wide Range Detection – Captures motion up to 23 ft.(7m) away and through 120° view. Motion-Activated Light – Control smart lights based on your movement and schedule. Energy Saving – Automatically turn on connected smart devices when you come and go. Instant Alerts & App Notification – Alerts you in Away Mode for anything you want to know. Battery-Powered – Compact battery-powered design supports over one year of use. Easy Installation – Mount it by attached 3M adhesive or the build-in magnets. Package ContentsTapo T100Quick Start GuideBattery CR2450 x 13M adhensive