Photo 1 of First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack

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Photo 1 of First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-PackPhoto 2 of First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm with Battery Backup, 1-Pack