You can view the last battery status of your device under the menu item "Devices".
You can see which operating state your devices are currently in by looking at the status circle. The following states are possible:
Green: Your device is online and ready for measurements
Blue: Your device is in "Setup" mode.
Grey: Your device is not connected to the app.
Red: Your device has detected a possible error. This can be, for example, a light barrier that has been moved.
