First Alert Battery Operated Carbon Monoxide Alarm


In stock (can be backordered)


First Alert

Carbon Monoxide Alarm

Keep yourself and your family safe from the threat of Carbon Monoxide.

Includes 9V battery included.

  • Electrochemical Sensor: Most accurate technology available for detecting carbon
  • Mute Button: Mutes unwanted alarms. Also tests alarm function with same button.
  • Low Battery Signal Mute: Quiets low battery signal for up to 8 hours.
  • End of Life Signal: Provides audible confirmation alarm when battery needs to be replaced.


  • Normal Operating Voltage: 9V Alkaline Battery
  • Temp Range: 4°C to 38°C
  • Humidity Range: 10% to 95% relative humidity
  • Audio Alarm: 85dB at 10ft.
  • Test Button: Electronically simulates a carbon monoxide condition causing the unit to alarm.
  • Alarm Reset: Automatic when carbon monoxide clears; Press Test/Silence to reset manually.
  • Indicator LEDs
    Power: Green LED flashes once per minute
    CO Alarm: Audio Alarm (4 beeps, pause, 4 beeps)
    End of Life: Replace alarm 84 months (7 years) after installation

Additional information

Weight 0.49 kg
Dimensions 15 × 9 × 5 cm


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