How to change AirComfort batteries?
Warning
After changing batteries, a sync with the application must be performed to restart the periodic recording of sensing records.
- Replace battery by following the instructions below. - Remove cover and battery. 
- Insert the new battery and make sure to place the battery into underside of device with positive side facing onwards then re-screw cover. 
 - On the App - Drag the screen downwards to refresh data.   - There will be a data summary pop-up, and there should be values in ‘Records added via BLE’ and ‘Records pushed to server,’ indicating that the AirComfort device has the most recent data 
