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 4098-9716 Category : SimplexI don’t think that I have a base that is compatible with this head.
Notifier N-ANN-80 Category : NotifierThis device is part of a permanent mini system installed in my house.
