* Battery not included* The Kidde Combination Smoke and Carbon Monoxide Alarm (Model #900-CUDR) is a reliable home security device powered by batteries. With a sleek white design and compact dimensions of 5 inches in diameter and 1.5 inches in depth, this alarm is easy to install and operate. It features a photoelectric smoke sensor and an electrochemical carbon monoxide sensor, providing early detection of potential hazards. Backed by a 10-year manufacturer warranty, this unit ensures peace of mind for you and your family with its 120 dB operating sound rating.
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