I have a hub and 4 different sensors to monitor (and record) the temperature, humidity and potential water leakage throughout my house, from the basement to the attic. I've never had a single problem with the entire system since the initial installation. A battery warning comes from the sensor about once a year. Changing the battery does not require any further settings. Adding a sensor to an already running hub is a simple 1 minute process (via my iPhone app). The Android app on my tablet also works perfectly. It's a simple, reliable, and inexpensive monitoring system.
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