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First Alert Smoke Alarm 9120B Battery Replacement

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First Alert Smoke Alarm 9120B Battery Replacement: crwdns2935265:00crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 First Alert Smoke Alarm 9120B Battery Replacement: crwdns2935265:00crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 First Alert Smoke Alarm 9120B Battery Replacement: crwdns2935265:00crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

  • Press down on the catch on the top left of the alarm to open the battery compartment.

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