The PEQ Water Sensor lets you know at-a-glance whether there is a spill, leak, or overflow so that you can stop the problem quickly and minimize damage. You can set up the PEQ Water Sensor near sump pumps, drain pains, and under sinks. The PEQ Water Sensor is easy to use, just place it on the ground and the sensors will immediately detect water. Your PEQ system has a rule that is automatically set up upon the activation of any water sensor. The rule is built so that if any of your water sensors detect water, a text is sent to the account phone number.