Wheelock MT4-24-LSM Category : Wheelock I believe that this is an early version of the MT series since it doesn’t have covers over the screw holes like later MT’s have. Brand WheelockModel MT4-24-LSMManufacturer WheelockType Alarm (Horn/Strobe)
System Sensor PA400B+PS24LO Category : System SensorThe horn’s model is PA400B, the strobe’s model is PS24LO.
