A technical system called the Guard Tour System was created to keep an eye on, record, and validate the actions of security personnel while they are on patrol. These systems generate a digital record of a patrol using contemporary technology such as GPS, NFC tags, or QR codes in place of manual, paper-based logs. A guard scans checkpoints at strategic spots along a pre-planned route, ... https://guardworkforce.com.sg/guard-tour-system-singapore/