Features: StayD™ Mode 32 zones (9 on-board, 18 with ATZ) either wireless (using RTX3 / RX1), or hardwired (using ZX82 / ZX8SP / ZX8) 16 PGMs (3 on-board and any of which can be wireless) 2 partitions 32 user codes 4-wire expansion bus (connect [...]