... includes: auto zone status supervision, auto equipment (All equipments include controller, amplifier, microphone & loudspeaker) management & status supervision & failure visual/ ... levels of EVAC message modular (EVAC, Alert, Clear & Test), built-in 4 program Mp3 player, memory up to 256 ... EVAC message modular by SD card (EVAC, Alert, Clear & Test),4 program Mp3 modular by SD & USB, 2 aux inputs ...