Review on X-Sense SD03 10-Year Battery Smoke Detector Alarm, ETL Listed Fire Alarm with Photoelectric Sensor, Auto-Check & Silence Button, Enhanced SEO by Victor Rodriguez

This is a good big smoke alarm. Turns out the people who used to own my house just painted over the old detector, so we had to hide a big off-white spot. With the bracket it has it perfectly hidden. Let the next owner go. HahaReally easy to install. It took less than five minutes. It also stands out. The turn off instructions are very clear. The date of manufacture was less than three months old, so the batteries are said to last up to ten years. I tested it and you can hear it all over the house. Extreme, VERY LOUD. Much louder than the ones I had as a kid.