3 Pack smoke and carbon monoxide detectors powered by batteries, with digital display, smoke and carbon dioxide dual alarm sensors, easy to install black - Amazon.com
FIRST ALERT BRK SC9120FF Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1 pack , White - Amazon.com
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First Alert Sco501cn Smoke & Carbon Monoxide Detector With Voice Location And Wireless Interconnectivity : Target
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USI MPC122S Hardwired 2-in-1 Photoelectric Smoke & CO Alarm with 10 Year Tamper Proof Sealed Battery Backup
Kidde Smoke & Carbon Monoxide Detector with Voice Alerts, Battery Powered, Combination Smoke & CO Alarm - Amazon.com
First Alert BRK Hardwired Smoke and Carbon Monoxide Alarm - SC9120LBL
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