Elderly, impaired, handicapped, kids, sick, ....
Various people may feel more confident if they can "push a button" when they need help when they are out and about, to notify their loved ones or caretakers or ...
No so much "are my elderly parent getting enough exercise", or "where are they now", but like the alarm button they can push that transmits their location when they fall or got stuck or feeling insecure.
No need for a smartphone with a data bundle for this simple job. And this alarm button can be designed to attach to a wristband (watch), jewellery, ...
Like the ugly, bulky alarmbuttons that only function within the walls of a (retirement) home - but way much better