Complete Intrusion control panel, expandable from 10 to 50 terminals - Main board equipped with 10 input terminals, 1 dry-contact programmable relay, 2 programmable open-collector output, telephonic interface, RS232 port - Up to 10 partitions - Up to 10 Joy and nCode/G keypads - Up to 20 Flex5 expansions - Up to 20 nBy readers - Up to 50 user codes - Up to 100 proximity tags - Up to 500 event log (ver 3.0x) - 7Ah battery housing Plus Power supply module - 100W - 6A@13,8Vdc.