Kidde Smoke Detector, Hardwired Smoke Alarm with 9-Volt Battery Backup, Test-Reset Button, Interconnect Capability, 2 Pack - Amazon.com
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Bundle of 3 First Alert Hardwired 120-Volt AC Smoke Alarm with Plugs, SA9120BPCN
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Kidde Smoke Detector, Hardwired Smoke Alarm with 9-Volt Battery Backup, Test-Reset Button, Interconnect Capability - Amazon.com
