Notifier 34-24 Category : Notifier This is basically just a Wheelock horn with a Notifer sticker slapped onto it. Brand NotifierModel 34-24Manufacturer WheelockType Alarm (Horn)
Space Age AV32+2DCD Category : Space Age ElectronicsThat is an electromechanical horn on the rear of the strobe plate.
System Sensor SP1W2475ADA Category : System SensorThe strobe portion can detach from the speaker body.
Amseco FS1-1+SL-02 Category : AmsecoSL-02 is the model of the strobe, FS1-1 is the model of the sounder.
