Carbon Monoxide/Smoke Alarm Combo

Gives Verbal Alerts to Avoid Confusion


What's special about this combination smoke alarm?

  • Instead of having two units mounted on your wall or ceiling, this 2-in-1 alarm reduces the number of units installed and keeps your home attractive.
  • Talking alarm issues verbal clues to eliminate any confusion about why it is chirping.
  • The battery powered unit assures you that even in a power outage the home is protected from smoke and carbon monoxide.
  • Click for More Features

The Kidde Battery Operated Carbon Monoxide/ Smoke Combo Alarm comes complete with two essential safety features in a single unit. The alarm includes a voice warning system that audibly states "Fire, Carbon Monoxide, Low Battery or Smart Hush Activation".

Part # Description Price
KD-9000102 Kidde CO/Smoke Combo, Battery Operated

The voice alarm removes 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. In addition, this alarm is battery operated so even if the power goes out you are protected.

  • The test/ reset button allows you to test the alarm circuits and sets off the voice commands so you know your home is safe.
  • The LED lights will flash for visual inspection and ease of use:
  • Green means normal
  • Red means alarm condition
  • Innovative battery safeguard design ensures that you cannot mount the alarm without installing batteries, another safety feature that assures you once installed, you are protected.
  • 5 year manufacturer warranty

    Kidde offers the first UL-Listed wireless smoke alarms. The Kidde Wireless System includes battery operated and AC powered alarms to fit almost any residential structure. The Kidde Wireless System is easy to install and only involves a few simple steps. The first step is to determine what type of smoke alarms are currently in your home: battery powered, hardwired, or interconnected.

    Worldwide, fire causes 20 times more deaths than tornados, hurricanes, earthquakes, and floods combined. Having working smoke alarms dramatically increases the chance of survival when a fire occurs. From battery operated to hardwired to interconnected, our smoke alarms will fit a home's specific needs. Our smoke alarms meet or exceed standards set by Underwriters Laboratories, an independent third-party testing agency, as well as guidelines set by the National Fire Protection Association.

    Model Number KN-COSM-B
    Power Source 3 AA Batteries
    Sensor Smoke: Ionization
    CO: Fuel Cell
    Audio Alarm 85dB at 10ft
    Temperature Range 40° F to 100° F
    Humidity Range 5% - 95% relative humidity
    Size 5.75" diameter x 1.7" depth
    Weight 13 oz
    Interconnect No
    LED Red, normal operation
    Digital Display No
    Warranty 5 year limited


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    How-To Corner



    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 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 accompanied by the chirp sound. The “LOW BATTERY” warning will only sound once every fifteen minutes.

    Voice Hush Indication: “HUSH ACTIVATED” and “HUSH CANCELLED” voice announcement.

    Peak Level Memory: If the alarm had detected a CO level of 100ppm or higher, the unit will announce “CO PREVIOUSLY DETECTED” to warn of the CO incident, when the Test/Reset button is pressed.

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    Questions & Answers


    Why does our alarm go off randomly ? Sometimes it says low battery and sometimes it says fire. We have put new batteries in all the alarms. It happens about every two or three days.

    Asked by Anonymous user on 12.18 PM Thursday, 22 December, 2016

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