CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. I had never seen a sensor like Aqara's new P100 before, but ...

Window alarm sensors are an essential part of home security systems, alerting you to unauthorized entries by monitoring window openings, glass breaks and motion. Each window alarm sensor type serves a ...

The types of magnetic sensors that are currently available. How the magnetic sensors work. Applications for the different magnetic sensors. Position sensors enable a variety of functions and controls ...

Amanda Blum is a freelancer who writes about smart home technology, gardening, and food preservation. Previously, Amanda has worked as a technology strategist specializing in problem solving and ...