Wheelock CH70-24 Category : Wheelock This is similar in appearance to the Wheelock E70-R, but it is a chime instead of a speaker. Brand WheelockModel CH70-24Manufacturer WheelcokType Alarm (Chime)
Cerberus Pyrotronics EH-24S Category : Cerberus PyrotronicsThis unit is missing the large capacitor off of its circuit board.
