Wheelock MT-24-LSM Category : Wheelock I believe that this MT is newer than the Wheelock MT4-24LSM, yet older than the Wheelock MT-24MCW. Brand WheelockModel MT-24-LSMManufacturer WheelockType Alarm (Horn/Strobe)
Grinnell IXA-RMS Category : GrinnellThis unit was taken off of a TFX-400 system at Brigham Young University.
Therm-L-Stat DI-135 Category : OtherThis heat detector is very small compared to a lot of the other ones that I have.
System Sensor PS2475ADA Category : System SensorThis is a really odd horn/strobe. The horn is actually a mini horn, so it makes a really high-pitched tone.
