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Review title: Problem with low battery
Product review: I purchased 5 of these alarms to rplace the old alarms in my house. After only 6 months 2 of the alarms started beeping and announcing a low battery. That shouldn't have happened so soon but I replaced the batterys and they lasted only a couple of months the second time. There is obviously something wrong with these alarms. I guess I'm happy that 3 of the alarms still seem to be working correctly.
