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Smoke Alarm 12 24VDC 4 Wire Photoelectric Integral Temp 3 2012 24AUSI Pro Series while 2 combo Gigabit SFP RJ45 Detector:None while 2 combo Gigabit SFP RJ45 uplinks give you a flexible copper or fibre connection back to your core network or NVR Confirm Weight and Dimensions if Needed for Freight or Fitment Planning: Exact weight and dimensions for this listing haven't been independently confirmed Link up to 24 alarms so every sounder triggers together The 9V Battery Is Backup Only: The included 9V battery keeps the alarm working during a power interruption — it isn't the alarm's primary power source
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