Kidde Intelligent Detector Alarm Battery Operated Combination Smoke & Carbon Monoxide Detector Alarm | Model KN-COSM-XTR-BA

Voice Alarm – Announces the hazard type detected thereby helping to speed up the correct reaction to the hazard detected. Alarm announces “Fire Fire” when a smoke or fire hazard is detected and announces “Warning Carbon Monoxide” when a CO hazard is detected. The Hush feature temporarily silences nuisance alarms.

Combined Carbon Monoxide and Smoke Alarm – A single unit can be installed where previously, two were needed. Reduces installation time and helps to keep home décor attractive. Test/Reset Button-Tests alarm circuitry and triggers the voice announcement.

LEDs – Flashing green for normal operation and flashing red for alarm condition

Low Battery Warning – The unit warns of a low battery condition by announcing “low battery” and by initiating an alarm chirp and activating a flashing red LED.

Provides protection even during power outages when many fire and carbon monoxide incidents occur. The battery door will not close unless the batteries are properly installed.Voltage:1.3 volts

21026042, 0047871260423, 047871260423

Offering breakthrough technology to provide maximum protection for your family, the Kidde KN-COSM-XTR-BA intelligent alarm combines fire, smoke, and carbon monoxide (CO) alarms into a single device. And more than just beeping alerts, the KN-COSM-XTR-BA provides voice warnings that clearly state the present danger– announcing either “Fire! Fire!” or “Warning! Carbon Monoxide!” And if you don’t currently have a CO detector, it’s never been a better time to add one as an increasing number of state and local governments are passing legislation that will require one in your home.


Combines fire, smoke, and carbon monoxide into a single device.

At a Glance

Intelligent Alarm
At a Glance:

  • Combined carbon monoxide and smoke alarm
  • Voice alarm announces hazard type (either “Fire! Fire!” or “Warning! Carbon monoxide!”)
  • Two flashing LEDs–green for normal operation, red for alarm
  • Powered by two AA batteries
  • Ten-year limited warranty

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