Siemens U-MHST-MCS I believe that this alarm has the ability to produce multiple tones. Brand SiemensModel U-MHST-MCSManufacturer SiemensType Alarm (Horn/Strobe)
Edwards 881ALD-AW Category : EST/EdwardsThis type of horn is actually still manufactured by Edwards today. According to their website, “These can be used wherever...
EST SIGA-278 Category : EST/EdwardsAnother SIGA-278 that’s starting to rust that I’ve added to my collection only because it wouldn’t be worth trying to...
Silent Knight PS-DATK Category : Silent KnightExactly the same as the Silent Knight PS-SATK, but just with the dual-action feature.