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Kidde KN-COB-DP2 carbon monoxide detector

This model was tested by our experts.


The Kidde KN-COB-DP2 is part of the Smoke & Carbon Monoxide Detectors test program at Consumer Reports. In our lab tests, Smoke & Carbon Monoxide Detectors models like the KN-COB-DP2 are rated on multiple criteria, such as those listed below.

High CO levels: High CO levels rates a model's response to CO of 300 parts per million.

Low CO levels: Low CO levels rates a model's response to CO of 150 ppm.


Power supply Power supply The power source of the model. Some have backup batteries (indicated by BB).
Plug-in w/BB
Peak memory Peak memory Indicates whether a model shows peak levels that have occurred.