Geofence alarm function

How the Navigil watch phone geofence alarm works 

The Navigil S1 and S3 emergency watch phones have integrated GPS and mobile phone with geofence functions. When leaving the home the wristwatch recognizes that person has exit home and turns on GPS tracking. Watch sends an alarm to caretaker when the person has left the safe zone. Caretaker can use web and mobile phone to locate the person in real time.

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