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Kidde 900-0102 DC Dual Carbon Monoxide/Smoke Alarm

Kidde 900-0102 Smoke/Carbon Monoxide Alarm

The Kidde KN-COSM-BA Combination Carbon Monoxide & Smoke Alarm provides two important safety devices in a single unit. This alarm includes a voice warning system that announces Fire, Carbon Monoxide, Low Battery and Smart Hush Activation. The voice alarm eliminates any confusion and clearly warns you and your family of a smoke or carbon monoxide danger, or if your battery is in need of replacement. This technologically advanced combination alarm is battery operated protecting you and your family even during a power outage when many incidences occur.


  • Voice Alarm  Announces the hazard type detected thereby helping to speed up the correct reaction to the hazard detected. Alarm announces Fire! when a smoke or fire hazard is detected and announces Warning Carbon Monoxide when a CO hazard is detected.
  • 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.
  • Battery Powered  Provides protection even during power outages when many fire and carbon monoxide incidents occur.
  • Battery Safeguard  The battery door will not close unless the batteries are properly installed.
  • Hush Feature  Temporarily silences nuisance alarms.
  • Ionization Smoke Alarm Sensor
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