System Sensor 2W-B This detector is part of the i3 series of detectors. Brand System SensorModel 2W-BManufacturer System SensorType Smoke Detector (Photoelectric, 2-wire)
Cerberus Pyrotronics S17-FS Category : Cerberus PyrotronicsThis is an interesting strobe because it is single gang (half the width of a normal alarm).
