Unit
DoorbellAlarmOld ringtoneSynthesizer...Musical instrumentKeyboard (musical)BeeperUnitTone911FireMessageRadio
VehicleSmoke detector, smoke alarmAlarmTrain...Rail transportFire alarmEngineTruckRailroad car, train wagonUnitCriticalMonitorPhilipsCare
SonarFusilladeMachine gunGunshot, gunfire...Scary music1OSTPhaseSoundtrackDreadMetriodCentralUnitOriginal
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