Photo 1 of First Alert SM110LED-AC, Hardwire Smoke Alarm with LED Strobe & 10-Year Battery Backup, 1-Pack

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Photo 1 of First Alert SM110LED-AC, Hardwire Smoke Alarm with LED Strobe & 10-Year Battery Backup, 1-PackPhoto 2 of First Alert SM110LED-AC, Hardwire Smoke Alarm with LED Strobe & 10-Year Battery Backup, 1-PackPhoto 3 of First Alert SM110LED-AC, Hardwire Smoke Alarm with LED Strobe & 10-Year Battery Backup, 1-Pack