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  • FireAngel FA3313 - thumbnail front
  • FireAngel FA3313 - thumbnail side

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The FireAngel FA3313 is a battery-powered carbon monoxide (CO) alarm. It comes with two AA batteries included and FireAngel tells us they should last for a year. When the alarm beeps every minute and the LED flashes amber, that’s the time to replace the batteries. You won’t find a screen on this model, but that’s not the end of the world if it can reliably detect CO and sound the alarm. To find out how well it works, we put it through our tests. Keep reading for our expert review and the results of this FireAngel CO alarm.

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  • Aug 2024Last checked by Which?
  • Aug 2023First reviewed by Which?
  • Jun 2022Released

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