CV-TAC400 Telephone Access Control is designed to supply maximum performance, durability and economy in any configuration. From stand-alone phone entry, to integrated phone entry and card access, to multi-panel system configurations with elevator control, CV-TAC400 is the new market leader! FEATURES• 500 name electronic display, with 8 line tenant listing• Up to 3 slave panels per system• Free multi-panel and multi-location management software• Local or remote programming• Optional built-in panel card reader• Up to 16 card readers per system• Optional elevator control• Surface/flush, indoor/outdoor enclosures