Kidde KN-COSM-XTR-BA Combination Carbon Monoxide, Fire and Smoke Intelligent Alarm

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  • 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.
  • 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 – Two LEDs are provided. 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 – Ensures the unit cannot be accidentally mounted without batteries installed.
  • Hush® Feature – Temporarily silences nuisance alarms.

    The Kidde KN-COSM-XTR-BA Nighthawk™ Intelligent Alarm offers you and your family protection from fire and carbon monoxide. The intelligent combination alarm uses breakthrough technology to offer a fast response to real fires, including smoldering and fast-flaming, as well as protect you and your family from carbon monoxide. Voice warning alerts you to the type of danger present. When either sensor notices a potential hazard, it will communicate with the other. Depending on what is detected, the alarm will adjust its smoke sensitivity in order to better discriminate between a real hazard and a false one.

    The Intelligent Alarm combines the detection capabilities of an ionization smoke sensor with that of an electrochemical CO sensor.  When either sensor notices a potential hazard, it will communicate with the other. Since carbon monoxide is present in all fires, having both detection chambers work together increases the alarm’s ability to discriminate between a true fire hazard and a nuisance alarm, such as shower steam.  This constant communication enhances the alarm’s overall performance in all fires, and significantly reduces the potential for a nuisance alarm.  Surveys show that nuisance alarms remain the top reason consumers disable their smoke alarms; 28% of consumers have had a nuisance alarm due to cooking or shower steam in the last year.

    Alarm Warnings
    Fire: The red LED will flash and be accompanied by three long alarm beeps followed by a verbal warning message "Fire! Fire!" The alarm will repeat the pattern until smoke is eliminated. 

    Carbon Monoxide: Four short alarm beeps followed by a verbal warning "Warning! Carbon Monoxide!" This continues until the unit is reset or the CO is eliminated. 

    Low Battery: One chirp followed by warning "Low Battery." The red LED light will flash. This pattern will continue every minute for the first hour. After the first hour, the red LED light will flash once every minute and will be accompanied by the chirp sound. The "Low Battery" warning will only sound once every fifteen minutes.

    Voice Hush Indication: "Hush Activated" and "Hush Canceled" voice announcement.

    Peak Level Memory: If the alarm had detected a CO level of 100ppm or higher when the Test/Reset button is pressed, the unit will announce "Carbon Monoxide Previously Detected" to warn of the CO incident.

    Hush® Feature for Convenience: By pressing the Hush button, you can easily and safely silence nuisance alarms caused by non-emergency situations, such as overcooked dinners.

    Meets Industry Standards: Like all Kidde alarms, this alarm has been approved by the Underwriters Laboratories (UL), an independent third-party testing laboratory that sets the industry standard for alarms.

    More Information
    Model KN-COSM-XTR-BA
    Part # 21007450
    Product Dimensions 5.5 x 5.5 x 2 inches
    Weight 1 lbs
    Shipping Weight 16.2 ounces
    Shipping Currently, item can be shipped only within the U.S.
    Batteries 3 AA batteries (included)
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    Products for U.S. Installation Only: Not for Use in Canada.
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