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The Kidde KN-COU-B is a carbon monoxide monitor that indicates the presence of low CO levels. Like smoke and CO alarms, this CO monitor samples the air in your home and sounds a loud alarm to warn you of life-threatening conditions. In addition, this monitor will indicate low levels of CO (below 30 PPM) which may have health implications if you suffer from certain pre-existing health or medical conditions.


  • A carbon monoxide monitor indicates the presence of low CO levels.
  • Provides Warning Of Low Levels Of Carbon Monoxide: May provide additional protection to those who are sensitive to lower levels of CO such as those who are elderly, pregnant, or have respiratory problems.
  • Digital Display: Continuous display shows CO levels as low as 10 ppm (parts per million). Updates digital reading every 15 seconds to let you see if levels have changed.
  • Fastest Notification: Provides audible and visual notification of CO levels below 30 PPM.
  • Hush Mode: Low-level warnings can be silenced by pressing the Test/Reset button.
  • Peak Level Memory: Displays the highest CO concentration measured since the last reset.
  • Battery-Operated: (3 AA’s included) Provides protection during power outages.
  • Battery Lockout System: Deters covering battery compartment without installation of batteries.
  • Low Battery Signal: Alerts users when the batteries need to be replaced.
  • UL 2075 Listed.


  • Brand: Kidde
  • Product Dimensions (L x W x H): 12.00 x 6.00 x 3.75 Inches
Weight 1 lbs