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First Alert 10-Year Battery-Operated Smart Combination Smoke and Carbon Monoxide Detector with Voice Alert in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
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Siterlink 2.4G Smart Smoke Detector Carbon Monoxide Detector Combo with Digital Display, 2 in 1 WiFi Fire and CO Alarm Detector, Replaceable Battery, Real-Time Notification, UL217 UL2034, 1 Pack - Amazon.com
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Kidde Smart Smoke and Carbon Monoxide Detector, Hardwired with Voice Alert 21031042 - The Home Depot
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YoLink Smart Smoke & Carbon Monoxide Detector, Wireless Smoke Alarm/CO Alarm, High-Temperature Alarm, App for Remote Monitoring & Early-Warning Alerts, IFTTT Integration. Hub Required! - Amazon.com
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Portable Electronic Smart Smoke Carbon Monoxide Fire Detector Sensor Home Security Anti-fire Alarm LED Concentration Displaying - AliExpress
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