Simplex 4050-80 Category : Simplex You can see what the horn and the light plate look like together in the last picture. Brand SimplexModel 4050-80Manufacturer UnknownType Alarm (Light Plate)
Wheelock HNR Category : WheelockThis is from the Exceeder series. It is a horn-only version of the Wheelock HSR.
Gentex SPKE4-110WW Category : GentexThis alarm uses the same strobe as the SHG/GOS/GXS series of alarms.
