Photo 1 of First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup, 3-Pack

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Photo 1 of First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup, 3-PackPhoto 2 of First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup, 3-PackPhoto 3 of First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup, 3-Pack