Wheelock RSSWP-2475W Category : Wheelock This RSS is meant for outdoor applications. Brand WheelockModel RSSWP-2475WManufacturer WheelockType Alarm (Strobe)
System Sensor 5601P Category : System SensorThis is a 135F rate of rise and fixed temp heat detector.
System Sensor SP2R2475 Category : System SensorThis speaker/strobe was around at the same time as the SpectrAlert Classic series.
