EST 792-7A-006 This is a very unique looking horn/strobe. Brand EST/EdwardsModel 792-7A-005Manufacturer ESTType Alarm (Horn/Strobe)
Federal Signal 450D+VALS Category : Federal SignalThis is just like my other Federal Signal 450D, except it has the VALS strobe attached to it.
System Sensor CH24MC Category : System SensorThis alarm just looks like a slightly smaller version of the SpectrAlert Classic speaker/strobe.
System Sensor SP1W2475ADA Category : System SensorThe strobe portion can detach from the speaker body.