SmartThings Motion sensor

The SmartThings Motion Sensor can monitor movement in your home and send you alerts if there’s unexpected activity when you’re away. It can trigger lights and other connected devices to turn on when there is movement, and monitor temperature.
The SmartThings Motion Sensor is wireless, simple to install, and easy to connect to your SmartThings Hub.
With a SmartThings Motion Sensor you can:
Receive an alert if there’s unexpected movement in your home
Receive an alert if children access dangerous or off-limit areas
Set connected lights to turn on and off automatically as people come and go
Set connected lights to turn on automatically if there’s unexpected movement
Download the Samsung SmartThings App to learn more about how SmartThings works with products from Samsung, Bose, Schlage, Yale, Qubino, Cree, Osram Lightify, iBlinds, Honeywell, First Alert, Fibaro, Philips Hue, Tuya, Arlo, eWelink, Frient, Konnected, LiFx, Meross, Popp, Rachio, Ring, Sengled, Sonoff, TP Link, and other brands.