Putogesafe Wireless Smoke Detector Interconnected, Smoke Alarm with 10 Years Battery Life, Fire Alarm with Big Test/Silence Button, Up to 30 PCS Interconnected, Low Battery Warning, 4 Pack - Amazon.com
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First Alert Brk Hardwired Ionization Sensor Smoke Detector in the Smoke Detectors department at Lowes.com
First Alert 10-Year Battery-Operated Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
Amazon.com: First Alert Onelink Safe & Sound - Battery Powered Smart Hardwired Smoke + Carbon Monoxide Alarm and Premium Home Speaker with Amazon Alexa