254
people found this helpful, as of 2023
ranked #111,752 most helpful
out of 571,544,897 reviews
★★★★★
great not to have to worry about replacing those 9V batteries
Easy to install and looks good. Have not had a fire yet, but the unit tests OK. The 10 year battery is the big plus.
the product in question
10 Year Battery Smoke Detector Alarm, with Photoelectric Sensor, Auto Test
4.4★ · 1,533 ratings, as of 2023