Kidde SD-2W SD Series SuperDuct 2-Wire Duct Smoke Detector, Photoelectric, 16-30VDC Operating Voltage, 50-750 Ohm Alarm Impedance

Brand: Kidde
ADI #:ED-SD2W Model #: SD-2W  Name: Kidde SD-2W SD Series SuperDuct 2-Wire Duct Smoke Detector, Photoelectric, 16-30VDC Operating Voltage, 50-750 Ohm Alarm Impedance