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 benefitsQR 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 benefitsQR 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