Motion Detection – Captures motion in your home with customization, Works with Tapo Devices – Controls other Tapo smart devices based on your movement, Instant Alerts & App Notification – Triggers alarm to warn unwanted visitors and sends you notifications, Adjustable Sensitivity –Tailor your detection coverage with 3 levels, Captures motion up to 23 ft.(7m) away , Flexible Sensor Angle – Rotate the sensor with 120° view to avoid accidental activations, Battery-Powered – Compact battery supports two years of use. No wiring required, Easy Installation – Mount it by attached 3M adhesive or the build-in magnet, Hub Required – The Tapo Hub is requried to support smart features.