Kidde Fire Sentry Smoke Detector, 9V Battery Powered Smoke Alarm, 4 Inch Compact Design

$12.35

At only 4-inches in diameter, this is one of the smallest smoke detectors you can install in your home, RV, and mobile home
Basic ionization smoke alarm, affordable and simple to use to provide detection of dangerous smoke or fire
Operating on a 9-volt alkaline battery, the Kidde smoke alarm provides reliable detection of smoke or fire, even during power outages

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