R7050 Smart Water Leak Sensor is your small reliable spy that notifies you whenever liquits are dripping or flowing away from the spot where your R7050 sensor is positioned. To use this Smart Sensor a WOOX Zigbee gateway is required like the R7070 (not included). The R7050 is easy to pair with your WOOX Zigbee gateway and connectable with all other WOOX devices in the same environment.