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The Kidde K7DCO carbon monoxide (CO) alarm is battery powered and needs two AA disposable or rechargeable batteries, which last around a year. It comes with a screen to show when the battery needs replacing, when the alarm is at the end of its 10-year life and, in the worst cases, the level of CO in the air. To find out how sensitive to CO this alarm is, we put it through a series of tests. Continue reading for our results and review of this Kidde CO alarm.
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- Aug 2024Last checked by Which?
- Aug 2023First reviewed by Which?
- Nov 2012Released