Simplex 2901-9838 Category : Simplex This is a spare cover for the 2901-9838 horn which I received NIB. It is somewhat noteworthy that the Simplex logo is white and not black, as is typical with these horns. Brand SimplexModel 2901-9838Manufacturer FaradayType Alarm Cover
System Sensor PA400B+PS24LO Category : System SensorThe horn’s model is PA400B, the strobe’s model is PS24LO.