255
people found this helpful, as of 2023
ranked #110,893 most helpful
out of 571,544,897 reviews
★☆☆☆☆
Lasted less than ONE MONTH!
Less than 1 month after install, these units started chirping in the pattern indicating that they need to be replaced. These were not expired. VERY disappointed on this purchase. Luckily this happened just a few days before the last day to return.
the product in question
First Alert Powered Alarm SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operated, 1 Pack, White
4.7★ · 29,126 ratings, as of 2023