Simplex 4903-9403 Category : Simplex The strobe on this alarm model isn’t directly connected to the alarm, oddly enough. Brand SimplexModel 4903-9403Manufacturer SimplexType Alarm (Horn/Strobe, 4-wire)
Kidde B4 Category : OtherA lot of the paint on this pull station has chipped off, but is still works fine.
System Sensor SP2R2475 Category : System SensorThis speaker/strobe was around at the same time as the SpectrAlert Classic series.
Harrington Signal RMS-1T-KO Category : OtherBehind the “Key Operated Only” cover is the regular pull lever, so that cover can be removed and this could...
