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First Alert 1039830/SA521CN-3 Alarm Smoke Hrdwrd Ac/Dc Wrlss

by First Alert
List Price: $74.99
Our Price: $67.09
You save: $7.90 (11%)

Leaves our warehouse in 1 to 4 business days

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Product Description

Key Features

  • Hardwired alarm can communicate wirelessly with other compatible alarms to create a fire alarm system
  • When one alarm is triggered, all connected alarms will sound
  • Integrated battery backup allows continuous detection during power outages
  • Photoelectric sensor detects smoke while minimizing false alarms
  • One button silences a false alarm and tests the smoke detector
  • Two AA battery backup

Smoke alarms battery powered photoelectric"onelink" ac/dc Easily expand an existing interconnected 120-volt AC system by replacing one alarm in the series with this alarm. Add additional battery-operated First Alert Onelink enabled alarms to expand without wires. Photoelectric smoke alarm reduces nuisance alarms. Alarm and low battery silence feature.

Product Information

Additional Information

Part Number
029054002440, 029054018960
Related Departments
Electrical, Lighting & ElectonicsAlarm ProtectionFire & Smoke Alarms & Accessories
Shipping Weight
1.59 pounds
Domestic Shipping
Item can be shipped anywhere in the US including APO/FPO addresses and territories.
International Shipping
Item can be shipped anywhere in Canada including the territories.

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