First Alert SA521CN-3ST Hardwired one link Wireless Smoke Alarm, 120 Vac, Photoelectric, 85 Db

Category: Tools & Home Improvement
Store Name: First Alert
Brand: First Alert
Color: N/A
This First Alert SA521CN Wireless Interconnected Hardwired Photoelectric Smoke Alarm is ideal for replacing an existing hardwired smoke alarm and then installing more compatible alarms for an interconnected safety network (additional alarms sold separately). Wireless technology makes it possible for the detector to connect with up to 18 First Alert enabled alarms, so when one sounds, they all sound. The photoelectric smoke sensor is designed to reduce false alarms from cooking smoke or shower steam while remaining sensitive to real danger. The alarm uses a loud 85-decibel siren, and the smoke detector has an integrated battery backup in case of power outages and features a single button to silence false alarms and test the unit.
  • Help keep your family safe with this hardwired smoke alarm that wirelessly interconnects with other First Alert-enabled alarms to create a home safety network
  • Equipped with photoelectric smoke sensor optimized to detect larger smoke particles produced by smoldering fires; helps minimize the number of false alarms
  • Wirelessly connect up to 18 First Alert enabled alarms for the maximum in whole-home protection
  • Hardwired alarm includes 2 AA backup batteries for continued monitoring in the event of a power outage
  • Includes test/silence button, low-battery warning, EZ access battery door
Height0.05 inches
Length 0.05 inches
Weight0.0078 pounds
Width 0.02 inches
Height0.025 inches
Length 0.086 inches
Weight0.008 pounds
Width 0.07 inches

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