Negative Positive
Title: Not so good...
Review: Affordable, easy to install, uses common batteries. Seems to work but hopefully it'll never have a reason to go off. This is a photo smoke sensor, not an ionizing fire sensor. Wasn't clear to me in description. This isn't necessarily good or bad though.----------- UPDATE ------------Died after a year and a half (new batteries didn't fix it), it just kept beeping indicating an internal problem. Weak Sauce!
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