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Question About BRK electronic Smoke Alarm 4120B
Can the 4120 B smoke detector operate on battery p...

Can the 4120 B smoke detector operate on battery power only and not with ac power as the primary power?

Asked by Neil on 06/27/2013 2  Answers

ManualsOnline posted an answer 11 years, 5 months ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

colin posted an answer 11 years, 4 months ago

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