The new geo-localized VMS App for installers is a fundamental tool for organizing technical interventions relating to alarm systems and video recorders installed in the field. The app is permanently connected with the VMS centralizer installed on site. The centralizer supports numerous devices and various brands and models of anti-intrusion control units (AVS, BENTEL, BOSCH, INIM, KSENIA, SATEL, TECNOALARM, UTC) and video recorders (Aylook, HIKVISION, DAHUA, PROVISION, TVT). Every single anomaly