QR code guard tour system is a security solution used to monitor and document the activities of security personnel as they patrol specific areas. Here’s an overview of how it works and its benefits:QR code guard tour system is a security solution used to monitor and document the activities of security personnel as they patrol specific areas. Here’s an overview of how it works and its benefits:QR code guard tour system is a security solution used to monitor and document the activities of security personnel as they patrol specific areas. Here’s an overview of how it works and its benefits: