Wheelock HNR Category : Wheelock This is from the Exceeder series. It is a horn-only version of the Wheelock HSR. Brand WheelockModel HNRManufacturer WheelockType Alarm (Horn)
Honeywell SC809A1019 Category : HoneywellThis type of speaker has been re-branded by many other companies, such as Simplex.
System Sensor 2451 Category : System SensorI’m not quite sure what the purpose of the “extravagant” base on this smoke detector is for.
Wheelock NS-24MCW Category : WheelockThis is just a standard red, two-wire NS with a multi-candelas strobe.
