System Sensor SPSW This is a white, SpectrAlert Advance speaker/strobe. Brand System SensorModel SPSWManufacturer System SensorType Alarm (Speaker/Strobe)
Simplex 2098-9806 Category : SimplexThis device is a permanent fixture in my Simplex 4004 wall system.
Simplex 4904-9053 Category : SimplexI accidentally bought this particular unit not realizing I already had one. Oh well, happens.