When you pair your View to your app for the first time you will get to chose two fields to show on your screen from the following options depending on which View monitor you have:
Radon
PM
Temperature
Humidity
VOCs
CO2
Air pressure
Outdoor air temperature (this information is provided by BreezoMeter)
If you wish to change the fields displayed on your View, just follow the quick steps :
Select the "Settings" option from the bottom of your main screen.
Select your View device.
Select the "Display" option under Device Settings.
From this page, select the one or two fields you wish to show up on the display and press "Save".
NOTE: The changes should occur after 1 minute on the display.