The IRIS PRO has a maximum capacity of 96 and offers the possibility of connecting 1 to 4 loop expander modules. The system's sensitive information is displayed on the graphical display, and the status of zones and problems is indicated by a separate LED indicator. System Sensor series (IRIS SS cycle expander) and Electronic (IRIS TTE cycle expander). Two cycle expanders can be connected to the IRIS PRO configuration at the same time.