The Samsung SmartThings Motion Sensor is a versatile device that helps you monitor activity in your home. This small, battery-powered sensor can be placed anywhere in your home and detects motion up to 15 feet away. When motion is detected, the sensor sends an alert to your smartphone, allowing you to stay informed about what's happening in your home, even when you're away. The motion sensor can also be used to trigger other smart devices, such as turning on the lights when you enter a room. With its easy installation and reliable performance, the Samsung SmartThings Motion Sensor is a valuable addition to any smart home setup.