The Samsung SmartThings Multipurpose Sensor is a versatile device that helps you monitor doors, windows, and other openings in your home. This compact sensor can be easily installed on any door or window frame, and it detects when the door or window is opened or closed. When an event is detected, the sensor sends an alert to your smartphone, allowing you to stay informed about who is entering or leaving your home. The multipurpose sensor can also be used to trigger other smart devices, such as turning on the lights when a door is opened. With its easy installation and reliable performance, the Samsung SmartThings Multipurpose Sensor is a valuable addition to any smart home setup.