I bought and installed a two-pack six years ago. One just went bad - the alarm sounded falsely and would not shut off. The other is still working fine. I ordered two new ones.
Verified purchase: Yes | Condition: New
I'm giving this four stars because after originally buying ten of these two years ago, one failed after two years. We shall see about the others. They are good looking and take up little space. Also, not having to change batteries is a big plus. I just hope the others last close to the advertised ten years.
Verified purchase: Yes | Condition: Pre-owned
Bought this product ten years ago and just now the battery is chirping. I like not replacing the battery usually about twice a year.
Verified purchase: Yes | Condition: New
I have had two separate units give false alerts First at 3:30 am second on the same day at 3:15 pm that was when button was pushed to stop the alarm, it started back 6-8 times. At 60 years old, i have never had this issue over the years.
Verified purchase: Yes | Condition: Pre-owned
Having not to worry about the battery for 10 years is great. Well made and easy to install.
Verified purchase: Yes | Condition: New
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