First Alert BRK 3120B-3 Hardwired Photoelectric and Ionization Smoke Alarm with Battery Backup

  • $32.99
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  • Keep your family safe with this 3-pack of hardwired smoke alarms; the battery backup means constant monitoring, even if there's a power failure
  • Equipped with both a photoelectric and ionization sensor to quickly detect both fast burning, and smoldering fires, which alerts you with an 85-decibel alarm
  • Equipped with Optipath 360 technology that enhances detection with 360-degree access, and reliably detects smoke
  • To ensure complete protection make sure to place one on each level of your home and in each bedroom
  • Simple to use, with a single test/silence button and side-load battery compartment; included mounting bracket makes installation easy
  • Equipped with a dual photoelectric and ionization smoke sensor to quickly detect both fast-burning and smoldering fires
  • Faster turnarounds on job sites with the easy-to-install, most-trusted alarms in home safety

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