Wide Range Detection – Captures motion up to 23 ft.(7m) away and through 120° view Smart Actions – Activate your Tapo devices whenever motion is detected for security or home automation, Easy installation, mount it by attached 3M adhesive or the build-in magnets Energy Saving – Automatically turn on connected smart devices when you come and go, with 2 years manufactory warranty Instant Alerts and App Notification – Real-Time Notifications, alerts you in Away Mode for anything you want to know, Tapo Hub Required sold separately Battery Powered – Battery-powered design with 1+ year battery life Voice Control – Manage your Smart Motion Sensor with voice commands via Amazon Alexa Hub Required: The Tapo Hub is required to support all smart features: Tapo H100 or Tapo H200 (sold separately) ; to have your smart lights turned on automatically or trigger the motion sensor alarm when motion is detected This device operates exclusively within the specified Sub-1G band; Please note that different regions support different frequency bands; Ensure that the devices or hubs you intend to use are compatible with the same Sub-1G band Packaging may vary