As well as our access control security devices, Tensor installs Visitor Management Systems (VMS) that are simple to use. VMS is a low cost computer based Visitor Pass production system that controls, records and monitors the arrivals and departures of visitors and contractors to an organisation. Unlike paper-based systems, VMS provides: an accurate date and time stamped audit trail of visitors and contractors; individualised, bar-coded passes with monitored expiry dates; and network based advance booking and pre-booking of visitors/contractors.