A digital technique called the QR Code Guard Tour System makes sure that security officers finish their designated patrols and stop by particular checkpoints on a property. This approach uses QR codes and cellphones or other specialized gadgets in place of conventional pen-and-paper logs or physical time clocks. Along a patrol route, strategic QR code checkpoints are positioned at key... https://exigasoftware.com.sg/qr-code-guard-tour-system/