SAN FRANCISCO (KGO) -- This is the time of the year when we're supposed to change the batteries in our smoke alarms. But what if the smoke alarm itself needs to be changed? Consumer Reports reveals the best smoke alarms and why older ones might not give your family the best protection in a fire.
Watch the video player above for the full story.
Consumer Reports is published by Consumers Union. Both Consumer Reports and Consumers Union are not-for-profit organizations that accept no advertising. Neither has any commercial relationship with any advertiser or sponsor on this site.
(All Consumer Reports Material Copyright 2014. Consumers Union of U.S. Inc. ALL RIGHTS RESERVED.)
7 on Your Side: Consumer Reports reveals best smoke alarms