4 Fully programmable zones (8 zones with zone doubling) that can be programmed as EOL, DEOL, NO, or NC. 4 trigger outputs, Telephone Line Monitor,15 user codes,3 keypad panic conditions plus duress option,128 event log, CID and fast C.S.formats, Auto Arming, Domestic Dialing, Follow me, fast loop response option, built-in siren driver. 16V 40VA transformer (not incl.). Keypads: OMNI-KP, OMNI-LCD, and XK108. Austel, CE, TBR2 1, UL Household Burglary Fire.