Smart Things Moisture Sensor Samsung Smart Things Moisture Sensor The Smart Things Moisture Sensor can monitor moisture to send you alerts that could prevent a leak from becoming a flood. It can also monitor temperature. Make sure your basement doesn’t become an indoor pool The wireless Smart Things Moisture Sensor lets you receive immediate alerts if water is detected where it doesn’t belong, monitoring moisture to spot leaks that could become a flood. In addition to water, the Moisture Sensor can also monitor room temperature. No wiring is required, meaning that set-up is simple. Smart Home. Intelligent Living. Smart Things lets you easily monitor, control & secure your home from anywhere.