Siemens U-MH-1G This is a multi-tone single-gang horn. Brand SiemensModel U-MH-1GManufacturer SiemensType Alarm (Horn)
STI SS-2000F Category : OtherCan’t remember where exactly I put the key for this unit. It can still open with an allen wrench, but...
Edwards 270-SPO Category : EST/EdwardsThis unit is missing its switch. Also, the break rod is sagging to a point where I could pull the...
Gentex GX90S-4-15/75WR Category : GentexI also have the version of this alarm that is rebranded by Simplex.