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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
Dual voltage (12/24VDC/VAC)
or 850 lbs
Wi-Fi 6 Access Point with PoE+ 6
high-performance video recording and playback
System Sensor D4120 Marks USA Dual voltage (12/24VDC/VAC)System Sensor D4120 4 Wire 24VDC 120VAC Photoelectric Low Flow Duct Smoke Detector System Sensor D4120 4 Wire Photoelectric Low Flow Duct Smoke Detector provides reliable smoke detection in HVAC duct applications with wide operating ranges and advanced false alarm immunity. Its pivoting housing and plug in sensor design simplify installation, testing, and maintenance across square, rectangular, and round duct systems. 4 wire photoelectric duct smoke
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