I’ve just purchased two Sinopé WL4210 water leak detectors (several days after I needed them 
) and am trying to connect one. It shows up in my dashboard, and if I tap the Identify button in HA, the detector beeps. If I immerse the remote sensor in a sink full of water, the detector beeps, but the HA dashboard card does not give any indication that anything has happened.
What am I doing wrong? Somebody online indicated that I need the Zigbee2MQTT integration, but I am unable to get it to start. I really have no idea what I’m doing, so any (polite) questions are welcome.