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Title: Fools you into believing this is a smoke alarm
Review: This item was purchased and installed on Sep 2008, and stopped working slightly more than 4 years later, even though the product stated it is supposed to work for 10 years. It was over-reactive to cold temperature in the room (below 60 F) or hot humid air coming indoors during summer days. When food was burning on the stove, and smoke filled the entire house, it stayed remarkably calm and assured that such "nuisance" is not worth reacting too. What a waste of money!
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