EST GCF-S7VM Category : EST/Edwards This is a ceiling-mount Genesis speaker/strobe. Brand EST/EdwardsModel GCF-S7VMManufacturer ESTType Alarm (Speaker/Strobe)
Space Age AV32 Category : Space Age ElectronicsI have no idea why there is no fire lettering on this unit
Gamewell A8814 Category : GamewellI have no idea what year this alarm is from, only that it’s old and heavy.