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 ...

Kangaroo’s latest motion sensor adds entry detection to the mix, but its lack of geofencing capabilities or support for any type of security camera makes it tough to recommend. It’s one thing to snap ...

November 2, 2012 Add as a preferred source on Google Add as a preferred source on Google If you’re looking for something to do this weekend, consider this PIR (passive infrared) Sensor Alarm project.

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Gizmodo may earn an affiliate commission. Reading time 6 minutes From ...

Your garden variety motion detector uses IR, but these days, there are fancier technologies for achieving similar goals. If so desired, you can source yourself a microwave-based presence sensor ...

Ever wished you had an extra set of eyes on the cookie jar, or somebody making sure the kids aren't sneaking out of their bedrooms when its time to do homework? Looking to help out with these and a ...

Last month, Ring began taking pre-orders for its Ring Alarm home security system, and today it begins shipping. I've had a chance to spend some time with Ring Alarm, and I've found it's an easy-to-use ...