The Kidde KN-COSM-iBA is a combination carbon monoxide detector and smoke alarm. It is one of our most purchased items from our webstore and for good reason.

Benefits

  • 2 for 1: You get both a carbon monoxide detector and a smoke alarm
  • Built-in battery back up which provides protection during power outages
  • Talking alarm announces the hazard type detected, helping to speed up reaction time
  • Interconnectable: It can connect to up to 24 Kidde devices
  • Fast & easy to install
  • Green and red LED light indicates alarm is working and when hazard is detected
  • It's the law
  • 10-year warranty

Buy yours now

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