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First Alert Sa521cn-3st First Alert Onelink Hardwire Wireless Smoke Alarm With B - SA521CN-3ST

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Product Overview

Features:Easily expand an existing interconnected 120-volt AC system by replacing one alarm in the series with this alarmAdd additional battery-operated First Alert OneLink enabled alarms to expand without wiresPhotoelectric smoke alarm reduces nuisance alarmsLoud 85 decibel alarmMute buttonAA battery poweredLow battery warningChange batteries easily without removing from the wall or ceilingMeets UL standards What's In The Box:First Alert SA521CN-3ST Wireless Photoelectric Smoke Alarm


Manufacturer First Alert
Mfg Part# SA521CN-3ST
SKU 209881978
UPC 029054002440
UPC 14 00029054002440

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