Water sensor / Wasser Sensor HWGroup
https://www.hw-group.com/device/wld2
Model WLD2, 4 zones water leak detector with LAN/WIFI
Changes for new CheckMK API 2.3.x/2.4.x
https://www.hw-group.com/device/wld2
Version 1.1.0
Latest version
Note: This version requires Checkmk version 2.0.0 or higher.