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First Alert Battery-Operated 2-in 1 Smoke and Carbon Monoxide Alarm

First Alert

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The First Alert SMICO100 Combination Battery-Operated Smoke and Carbon Monoxide Alarm is equipped with First Alert's Precision Detection advanced sensing technology and meets industry standards. This 2-in-1 smoke and carbon monoxide alarm provides reliable protection against both threats and is easy to install and maintain.


  • First Alert's Precision Detection advanced sensing technology complies with industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
  • Provides reliable 2-in-1 protection against both smoke and carbon monoxide
  • End-of-life warning lets you know when it’s time to replace the detector
  • Battery-operated alarm allows for easy installation and maintenance
  • Test/silence button for efficient testing to ensure detector is working properly

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