The Monoprice Open/Close sensors will report battery level. See this thread on making a water sensor out of one: Made a Water Leak Sensor
I believe (but don’t quote me on it) that the key is declaring: capability “Battery”
The Monoprice Open/Close sensors will report battery level. See this thread on making a water sensor out of one: Made a Water Leak Sensor
I believe (but don’t quote me on it) that the key is declaring: capability “Battery”