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Battery Operated Carbon Monoxide Alarm
900-0233


Provides peace of mind against the silent killer.

  • 3 AA Battery Operated – Provides continuous protection and flexible installation for areas with no AC outlets.
  • Test / Reset Button – Tests the unit for proper operation. Resets the carbon monoxide alarm.
  • CSA Listed
  • 10-Year Warranty
  • Part Number - 900-0233  Model #: KN-COB-B-LS-CA
Power Source
Battery Operated

The Kidde 900-0233 (Model KN-COB-B-LS-CA) is a 3 AA, battery operated carbon monoxide alarm that uses electrochemical sensing technology to protect you and your family from the dangers of carbon monoxide. 

The battery operated CO alarm provides continuous monitoring of CO levels and includes multiple mounting options allowing installation on a wall or tabletop. 

The 900-0233 is suitable for all living areas and has a 10-year limited warranty.

Technical Specifications

Model: KN-COB-B-LS-CA
Power Source: 3 AA Batteries
Sensor: Electrochemical
Audio Alarm: 85dB at 10ft
Temperature Range: 4.4˚C (40˚F) to 37.8˚C (100˚F)
Humidity Range: 10%-95% relative humidity (RH), non-condensing
Size: 7.6 cm width x 3.8 cm depth x 5.7 cm height
Weight: 0.14 kg
Interconnects: No
Warranty: 10-year limited

The Kidde 900-0233 (Model KN-COB-B-LS-CA) is a 3 AA, battery operated carbon monoxide alarm that uses electrochemical sensing technology to protect you and your family from the dangers of carbon monoxide. 

The battery operated CO alarm provides continuous monitoring of CO levels and includes multiple mounting options allowing installation on a wall or tabletop. 

The 900-0233 is suitable for all living areas and has a 10-year limited warranty.

Technical Specifications

Model: KN-COB-B-LS-CA
Power Source: 3 AA Batteries
Sensor: Electrochemical
Audio Alarm: 85dB at 10ft
Temperature Range: 4.4˚C (40˚F) to 37.8˚C (100˚F)
Humidity Range: 10%-95% relative humidity (RH), non-condensing
Size: 7.6 cm width x 3.8 cm depth x 5.7 cm height
Weight: 0.14 kg
Interconnects: No
Warranty: 10-year limited