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Kidde Nighthawk KN-COB-B-LP carbon monoxide detector

This model was tested by our experts.

About

The Kidde Nighthawk KN-COB-B-LP is part of the Smoke & Carbon Monoxide Detectors test program at Consumer Reports. In our lab tests, Smoke & Carbon Monoxide Detectors models like the Nighthawk KN-COB-B-LP 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.

Specs

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