Motion detectors are widely known for their role in home security systems, but their usefulness extends far beyond guarding ...

Technology has quietly reshaped the way we protect ourselves and our surroundings, even in seemingly small areas like home ...

Movement-based lighting suggests activity inside, which helps deter opportunists. Automatic light on stairs, landings and entrances reduces falls and avoids leaving circuits on. Hands-free access ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Megan Wollerton After a round of testing we’ve added many new picks: the ...