Conventional control panel at 4 zones; 1 supervised output for alarm at 315mA; 1 supervised output for alarm or pre-alarm at 315mA; 1 realy output with 3 contacts (C, NC, NO) for alarm; 1 relay output with 3 contacts (C, NC, NO) for fault; 4 Open Collector outputs for zone alarm repetition; 1 fixed 24Vdc output; programming for outputs delay; programming for alarm / pre-alarm mode, test, maintenance out of service; metal box for 2 batteries at 12Vdc/7Ah; size 351x292x95mm. EN 54-2, -4 CPD.