Cerberus Pyrotronics SL70-F This alarm is actually a speaker. Brand Cerberus PyrotronicsModel SL70-FManufacturer Cerberus PyrotronicsType Alarm (Speaker)
Simplex 4904-9139 Category : SimplexI believe that this strobe plate was designed to be used with bells, such as the Simplex 2901-9333.
Space Age AV32 Category : Space Age ElectronicsI have no idea why there is no fire lettering on this unit
