Signal Communications SM24D Category : Other This remote strobe belongs to the same family of alarms that my Firecom FVA4-RC24D does. Brand OtherModel SM24DManufacturer Space Age ElectronicsType Alarm (Strobe)
Cerberus Pyrotronics EH-24S Category : Cerberus PyrotronicsThis unit is missing the large capacitor off of its circuit board.
Simplex 4251-20 Category : SimplexI believe this is an older, less seen model of 4251-20. It has a slightly different handle from my other...
