Here are some pictures of the device in operation, showing the use of the RGB backlight for status feedback. Here is the menu option for sending a text:

And the user can select one of several predefined messages:

The panic function is activated by holding the button down for 2 seconds:

A red screen confirms the activation and the device sends a message to the carer:

The screen then strobes alternately red and blue, and an alarm sounds, to draw attention to the user. It can be cancelled by pressing on the touch sensor:

Here is a phone screenshot showing a text conversation with the device. The location is faked for the purposes of this screenshot, but the calculated distance from this fake location is genuine. As a result, the device sent an alert due to the large distance from home (the first status report visible is in response to the query '?', the second came automatically the next time the device was powered on):

During the fall detection, the screen turns orange in freefall, and then red after the impact. If the user cancels the warning, the screen returns to green.