Both CO detectors came with very low batteries. One I had to change batter right away. The other battery lasted a whole two days, then I had to change it. Aren't you glad you asked.
Verified purchase: Yes | Condition: New
I only had to put the battery in and plug it up. Very easy. For the price I think I got a good deal.
Verified purchase: Yes | Condition: New
Re[places one I had for 7 years.
Verified purchase: Yes | Condition: New
works great
Verified purchase: Yes | Condition: New
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