Crow FW2-SMK Wireless Smoke & Heat Detector IP41 / IK02 Photoelectric Smoke

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Two Way Wireless Smoke Detector The FW2-SMK is a two way wireless photoelectric smoke detector using low current technology. The detector automatically compensates for long-term en vironmentally induced changes to maintain a constant smoke sensitivity. When the drift compensation has reached its high or low limit of adjustment, the detector will go into the trouble state. Show more