Upto 5 alarms can be set in the app. The same will show up on the band.
If no alarms are set the screen shown on the adjacent image will appear.
When it is time for the alarm, the band will vibrate and the screen will flash. Post 30 seconds, the vibration will stop and the device goes into the power saving mode.
Learn how to add an alarm
Note : if the mobile phone is following the 12 hour system, then the device will show the letters “PM” to indicate time of the day