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Kidde Hard-Wired Ionization Smoke Detector

These type of detectors are hard-wired to your home's electrical system
These type of detectors are hard-wired to your home's electrical system
Photo by Tim Boyle/Getty Images

Kidde i4618 Ionization hard-wired smoke detector with battery backup

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I purchased a pair of these smoke detectors to replace some old, hard-wired units that came with my house. They are linked together so that if one goes off, the other one will as well. Installation was a snap and the battery backup is a welcome feature. You can get a pair on Amazon for about $20.

Additional features include:

  • Red LED flashes until reset for quick, clear identification of initiating smoke alarm in interconnected system
  • Visible low battery indicator helps locate chirping unit
  • Front loading battery door makes battery changing simple, power link tab makes installation faster
  • False alarm control quiets unwanted alarms for up to 8 minutes
  • Interconnects with other compatible Firex smoke alarms and heat alarms