Detection typically ranges from 20 to 100 feet, and some motion sensor light models offer an adjustable distance feature. The angle of detection usually falls within 180 degrees horizontally.

These motion sensors are compact, robust, reasonably accurate (to 1%), and relatively affordable. Depending on the configuration, they are capable of measuring speeds of up to 4 m/sec (780 fpm).

Kangaroo’s new sensor (we’ve previously reviewed its motion-only sensor) makes for an enticing choice given its no-tools, no-hub setup, not to mention its $30 price tag.

By combining detection technologies and advanced signal processing such as Doppler and other advanced signal processing, motion sensors are now capable of performing in outdoor environments.

Aqara’s Presence Sensor FP2 is a huge step in smart home motion detection, and it means an even more efficient way to bring the home together without exactly breaking the bank.

A presence sensor uses wave radar technology to sweep a room, looking for the slightest movement, not the broad gestures that would be caught by a motion sensor. Aqara is the best brand for ...

Acoem ATD Key Differentiators: Single-Sensor Deployment: Many gunshot detection systems require multiple sensors for triangulation. The ATD-300 provides accurate threat detection with a single ...

Outdoor sensors are even more limiting than outdoor lights which is why we were so excited during CES 2019 to see the Hue Outdoor Sensor. This is the first — and only — HomeKit-enabled outdoor ...