Carbon Monoxide Alarm catalogue

Combination Smoke and Carbon Monoxide Alarm:

One convenient alarm helps protect against two deadly household threats.

Battery Powered (DC) Carbon Monoxide Alarms:

First Alert battery-powered Carbon Monoxide alarms are easy to install, and keep working even if the household electricity fails. They can be installed out of the way of children and pets. All feature low battery alert "chirps".



Battery (DC) - Battery Powered Carbon Monoxide Alarm




Download manual in Acrobat® format
English Version




Model Number: FCD3NCNAUS

Battery Powered: Works during power outages.
Silence/test button: Silence or test alarm functions.
No installation required: Place or mount almost anywhere.
Alarm Action Chart: Instructs for what to do if an alarm sounds.
Optional Mounting Bracket: Place or mount almost anywhere.

Additional Features:

  • Loud 85 - decibel alarm
  • Low battery warning
  • 9V battery included
  • UL listed
  • 5 year limited warranty



  • Basic Battery (DC) - Combination Smoke and Carbon Monoxide Alarm




    Download manual in Acrobat® format
    English Version




    Model Number: SC01CNAUS

    Battery Powered: Works during power outages.
    Unique horn sounds and lights: Helps distinguish between a smoke or CO incident.
    Silence/test button: Silence or test alarm functions.
    Hinged battery drawer: Allows easy battery replacement.
    Blinking power indicator: Confirms unit is receiving power.

    Additional Features:

    • Loud 85 - decibel alarm
    • Low battery warning
    • 9V battery included
    • UL listed
    • 5 year limited warranty