In this step-by-step tutorial, learn how to make a powerful alarm at home using a DC motor. Perfect for DIY enthusiasts, this ...

The proliferation of violence in schools has created a booming marketplace for school security solutions -- but experts cast doubt on some of the products.

SimpliSafe adds an affordable Smoke & CO Alarm Listener that connects your existing detectors to 24/7 monitoring for faster ...

Ring’s rich features and affordable monitoring plans make it a top choice for a home security system. Some or all of the mortgage lenders featured on our site are advertising partners of NerdWallet, ...

SimpliSafe designs wireless home security systems that are easy to install with no drilling or tools. With a wide array of sensors and security cameras, SimpliSafe offers all-encompassing protection ...

CNET staff -- not advertisers, partners or business interests -- determine how we review products and services. If you buy through our links, we may earn a commission.