Simplex GX90-4R Category : Simplex The Simplex label on this alarm can be peeled back to reveal the Gentex logo. Brand SimplexModel GX90-4RManufacturer GentexType Alarm (Mini Horn)
Cerberus Pyrotronics S17-FS Category : Cerberus PyrotronicsThis is an interesting strobe because it is single gang (half the width of a normal alarm).
System Sensor PA400B+PS24LO Category : System SensorThe horn’s model is PA400B, the strobe’s model is PS24LO.
Simplex 4901-9811 Category : SimplexThis particular alarm is actually capable of doing three different tones.
