R718WB is a water leak detector and can detect the leak status through an external dual-core non-positioning water rope sensor.
When a leak is detected, it will send immediately a warning report. It will also send a status report every hour by default. This setting can be changed by configure command.
This device is LoRaWAN Class A compatible, has OTAA and operates at EU868 frequency. It is powered by 2 pieces ER14505 3.6V Lithium AA batteries (not included).