System Sensor PA400B+PS24LO Category : System Sensor The horn’s model is PA400B, the strobe’s model is PS24LO.
Grinnell TFX-912P Category : GrinnellJust like the rest of my Grinnell equipment, this smoke detector is from Brigham Young University.
EST 882-2B Category : EST/EdwardsThis unit has an electronic horn rather than an electromechanical mechanism.