Needs active internet to function.
This app should function on an intranet so that if you are boondocking in your RV you can still get your water consumption information. It works great and is very user friendly only as long as there is an active internet connection. There is no reason for it not to work on a closed system (device to hub to router via WiFi to app connected to same router via direct connection or WiFi) who needs to know their water consumption while they are out and about this device has no control over water supply so why over complicate the app making it internet dependent.
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