First Alert Hardwired Ionization Smoke Alarm with Battery Backup and Adapter Plugs
Item No. 125242
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First Alert Hardwired Ionization Smoke Alarm with Battery Backup and Adapter Plugs

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Item No. 125242
$34.99 $38.99
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This First Alert Hardwired Smoke Alarm with 10-year battery backup provides constant monitoring for the life of the alarm, even if there's a power failure. The detector features an ionization sensor for detection of smoke and fast-flaming fires, as well as a loud, 85-decibel alarm. One button silences any nuisance alarms and also tests detector functions, while lights indicate if the alarm detects smoke. The latching alarm indicator automatically identifies which unit initiated the alarm, even after the conditions that set off the alarm have subsided. And an end-of-life signal enhances your safety by letting you know when it's time to replace the unit. Connect it to compatible BRK or First Alert alarms within a single-family residence, and when one alarm is triggered, all connected alarms will sound.

• Ionization sensor reliably detects flaming fires
• Hassle-free, easy installation; no need to rewire
• 120V alarm hardwires directly into your home's electrical system
• Battery backup for detection during a power outage
• Easy-to-access battery drawer with 9V battery included
• Works in tandem with other First Alert Alarms
• Measures 5.6" dia. x 1.9"H
• 10-year limited warranty
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  • Ionization sensor detects smoke and fast-flaming fires
  • Battery backup provides monitoring even if there's a power failure
  • 85dB alarm with one-button silence feature
  • End-of-life signal lets you know when it's time to replace the unit
  • Works in tandem with other First Alert Alarms
Unit Weight 0.69 lb
Brand First Alert
MFG Part No. 1039939
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