Wheelock MT4-115-R Category : Wheelock This MT runs off of 115 VAC. It has the older MT screw holes. Brand WheelockModel MT4-115-RManufacturer WheelockType Alarm (Horn)
Simplex 4901-9811 Category : SimplexThis particular alarm is actually capable of doing three different tones.
Edwards 270-GAO Category : EST/EdwardsThis is the original version of the 270-GAO. It is essentially the same as the newer version of the EST...
Unknown Test/Ready Switch Category : OtherI received this switch with a lot of various alarm devices. I’m not sure who it’s made by, what its...
