... Bell,electric bell,warning siren This alarm bell is accessory for special use in the fire alarm system in elevator & lift 1) This alarm bell ... switched by panel to announce the fire situation2) Alarm bell is made by aluminum alloy featuring with high sound ... current consumption4)Rated Current: ≤100mA5)Rated Voltage: 12V/DCAlarm Bell,electric bell,warning siren. alrm bell, electric bell, warning siren