Kidde 10-Year Worry Free Smoke & Carbon Monoxide Detector, Lithium Battery Powered with Photoelectric Sensor and Voice Alarm 21030866 - The Home Depot
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First Alert PRC710V Compact 10 YR Photoelectric Smoke & CO Alarm with Voice
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First Alert Battery-Powered Photoelectric Smoke and Carbon Monoxide Detector 29054021694 | eBay
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Kidde P4010ACSCO (21027536) AC/DC Hardwired Intelligent Combination Photoelectric Smoke and Carbon Monoxide Alarm with Voice