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easy-to-read color-coded gauge provides accurate measurement
The First AlertВ® CO400 Battery-Operated Carbon Monoxide Alarm utilizes an electrochemical carbon monoxide sensor to detect carbon monoxide
First Alert's Precision Detection advanced sensing technology complies with the latest industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
making it portable and easy to use
Battery Powered Carbon Monoxide Alarm Additional Options:CO400XP; CO400XP Battery Operated Carbon Monoxide Alarm easy-to-read color-coded gauge provides accurateThe First Alert CO400 Battery Operated Carbon Monoxide Alarm utilizes an electrochemical carbon monoxide sensor to detect carbon monoxide. This carbon monoxide detector is battery operated, making it portable and easy to use, even in the event of a power outage. When carbon monoxide levels become elevated, a loud 85 decibel alarm alerts you to the threat. Detector features a single test silence button for efficient testing Battery operated detector is
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