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It lasts about a year and is easily replaced with a watch battery available at any drug store. There is an alert on the app that will tell you when the battery gets low.
Sorry, there was a problem. Please try again later.One year
Sorry, there was a problem. Please try again later.In general, about a year. Of course it depends on how you use it (making it play sounds every day would deplete it sooner).
Sorry, there was a problem. Please try again later.1 year
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