Simplex 4903-9459 Category : Simplex This unit is an addressable horn strobe. It’s what my elementary school had installed in the classrooms. Brand SimplexModel 4903-9459Manufacturer SimplexType Alarm (Horn/Strobe)
Signal Communications SM24D Category : OtherThis remote strobe belongs to the same family of alarms that my Firecom FVA4-RC24D does.
Honeywell S464A Category : HoneywellThis unit is a bit more beat up than my other Honeywell S464A is.
