Fully complies to IS 2189 & tested by ERTL (N)Operates on 220V AC, 50Hz AC Supply16*2 line dot matrix LCDZone wise fire, open, short LED IndicationsExternal sw to test each zone fire, open, short status manuallyExternal sw for reset, silence, lamp testZone isolation facility with zone voltage cutoffRelay for free contactsMains on, system on, charger on visual indicationsbattery low & common fire indicationsAuto dialer attachable facilityEnough inside space for SMF batteryCompatible with all types of fire detectorsMaximum 25 nos. detectors in each zoneHooter output current can be increased as per customer requirement.