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Review title: Worked for a while, then...
Product review: This unit worked reliably for a year, then started to go off, on it's own, in the middle of the night. Consistently, in the middle of the night. After a couple of weeks of troubleshooting, and waking up my two toddlers, I'm replacing with a different brand. All the other units in the house still work reliably, and have detected even trace amounts of smoke. Maybe I just got a bad one?
