Bats are nocturnal hunters and use echolocation to orient themselves by emitting high-frequency ultrasonic sounds in rapid succession and evaluating the calls' reflections. Yet, they have retained a ...

As long as you have a Hue Bridge Pro, for no additional cost, you can use MotionAware with compatible Philips Hue devices to ...

The T100 is quite small for a motion detector, and at just 42.3 x 42.3 x 34 mm it’s around half the size of the equivalent ...

My favorite home security tips will keep your family safe while making your home both welcoming and spooky for Halloween.

What just happened? Researchers at University College London have developed a new type of solar cell capable of efficiently generating power from indoor light, a breakthrough that could reduce ...

They have new square sensors that don’t require you to rotate the phone to take landscape selfies. They have new square sensors that don’t require you to rotate the phone to take landscape selfies. is ...

Home security cameras have become a popular alternative to professionally installed security systems from companies like ADT and Vivint. Offering reasonable prices, low monthly subscription fees, and ...

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. Video doorbells are much more ...