CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. We originally tested and reviewed the Ring Alarm Security ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Rachel Cericola Rachel Cericola is a writer covering smart home. In addition ...

The satellite smoke alarms in this MR31 system are larger and more dated than those in X-Sense’s petite FS31 system, but the addition of voice alerts adds extra peace of mind. X-Sense’s XS0B-MR31 ...