VIENNA, Va. and OREM, Utah—After a successful six-month beta test, Alarm.com this week announced the general availability of its Image Sensor—a wireless device that combines a motion detector with a ...

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Last year, I took a look at some mostly low-cost passive infrared (PIR) motion sensor modules. Then recently, I became more aware of cheap microwave radar motion sensor modules. The popular version of ...

Ikea has launched a new motion-sensor LED night light in Europe. It runs on one AAA battery, detects movement within 3 metres and is currently available in select European countries for €2.99. UK and ...

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 ...