Discovery Open-Area Voice Sounder Visual Indicator The Discovery Open-Area Voice Alarm Devices comprise a sounder and a sounder visual indicator that have been designed to provide clear instructional messages through the Discovery protocol. They are loop powered wall mounted devices. 4 pre-set message pairs, capable of up to 15 tone message pairs Low current and high volume Fully synchronised Set up and test at point of installation Add to apolloPlus FolderName Product VariantsProduct NamePart NumberDiscovery Open-Area Voice Sounder Visual Indicator (Red)58000-030Discovery Open-Area Voice Sounder Visual Indicator (White)58000-040Discovery Open-Area Voice Sounder (Red)58000-010Discovery Open-Area Voice Sounder (White)58000-020 Product Tones - Total: 0CategoryAlert Type Discovery Open-Area Voice AlarmDiscovery Open-Area Voice Alarm - M0 ListenDiscovery Open-Area Voice AlarmDiscovery Open-Area Voice Alarm - M1 ListenDiscovery Open-Area Voice AlarmDiscovery Open-Area Voice Alarm - M2 ListenDiscovery Open-Area Voice AlarmDiscovery Open-Area Voice Alarm - M3 ListenDiscovery Open-Area Voice AlarmDiscovery Open-Area Voice Alarm - M4 ListenDiscovery Open-Area Voice AlarmDiscovery Open-Area Voice Alarm - M5 ListenDiscovery Open-Area Voice AlarmPrimary (T16) ListenDiscovery Open-Area Voice AlarmSecondary (T15) ListenDiscovery Open-Area Voice AlarmPrimary (T3) ListenDiscovery Open-Area Voice AlarmSecondary (T2) ListenDiscovery Open-Area Voice AlarmPrimary (T4) ListenDiscovery Open-Area Voice AlarmSecondary (T2) ListenDiscovery Open-Area Voice AlarmPrimary (T18) ListenDiscovery Open-Area Voice AlarmSecondary (T17) ListenDiscovery Open-Area Voice AlarmPrimary (T6) ListenDiscovery Open-Area Voice AlarmSecondary (T5) ListenDiscovery Open-Area Voice AlarmPrimary (T7) ListenDiscovery Open-Area Voice AlarmSecondary (T5) ListenDiscovery Open-Area Voice AlarmPrimary (T20) ListenDiscovery Open-Area Voice AlarmSecondary (T13) ListenDiscovery Open-Area Voice AlarmPrimary (T20) ListenDiscovery Open-Area Voice AlarmSecondary (T15) ListenDiscovery Open-Area Voice AlarmPrimary (T8) ListenDiscovery Open-Area Voice AlarmSecondary (T9) ListenDiscovery Open-Area Voice AlarmPrimary (T10) ListenDiscovery Open-Area Voice AlarmSecondary (T22) ListenDiscovery Open-Area Voice AlarmPrimary (T13) ListenDiscovery Open-Area Voice AlarmSecondary (T21) ListenDiscovery Open-Area Voice AlarmPrimary (T1) ListenDiscovery Open-Area Voice AlarmSecondary (T0) Listen LiteratureDocumentPP NumberIssueSalesDiscovery Open-Area Voice Alarm Devices PP24162InstallationDiscovery Open-Area Voice Alarm Devices 39214-601Issue BData SheetsDiscovery Open-Area Voice Alarm DevicesPP24153 Discovery Open-Area Voice Sounder