By creating and printing the identity information of the registered subject as a QR code,
Crafted in the form of buttons, badges, necklaces and bracelets.
When the QR code is scanned with the application by attaching it to the clothes of the registered subject,
The identity information and location of the subject are confirmed.
Dementia patients, infants and children, special officials such as firefighters, military personnel, etc.
It can be useful.