Window sensors are a critical part of any home security system. When cameras fail, a window sensor becomes your last line of defense. Install them on all your windows, and you will know when an ...

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 ...

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 ...