Wheelock ET-1080 The white and red versions of this speaker both have the same model number. Brand WheelockModel ET-1080Manufacturer WheelockType Alarm (Speaker)
Cerberus Pyrotronics EH-24S Category : Cerberus PyrotronicsThis unit is missing the large capacitor off of its circuit board.
System Sensor CH24MC Category : System SensorThis alarm just looks like a slightly smaller version of the SpectrAlert Classic speaker/strobe.
Fire-Lite Miniscan 112 Category : Fire-LiteAs the model number indicates, this panel puts out 12 VDC.