Grinnell IXA-RMS Category : Grinnell This unit was taken off of a TFX-400 system at Brigham Young University.
Notifier N-ANN-80 Category : NotifierThis device is part of a permanent mini system installed in my house.
Amseco BZ-54VT+RSD-24L Category : AmsecoThat rubber band is holding the strobe to the unit since there are no screws keeping it secure.