System Sensor SP101W24M You don’t see many of these alarms that are white. Brand System SensorModel SP101W24MManufacturer System SensorType Alarm (Speaker/Strobe)
Space Age AV32 Category : Space Age ElectronicsI have no idea why there is no fire lettering on this unit
Grinnell IXA-RMS Category : GrinnellThis unit was taken off of a TFX-400 system at Brigham Young University.
Simplex 4098-9830 Category : SimplexThe LED on this unit uses 14VDC rather than the 24VDC used by the Simplex 2098-9806.