For example, if you want to use a PIR in your bathroom, you may need to combine it with a door sensor. You can then create an ...

A United Airlines Boeing 777 had to descend, slow down, and land early in San Francisco, thanks to the malfunctioning ...

Image by Nathan Ingraham via Engadget It works about like you might expect — there’s a motion sensor and a night-vision camera on the exterior side of the door. Using Flappie’s “unique and ...

such as doors and windows. "To function effectively as part of a security system, motion sensor lights must be installed at the correct height and in the right location. Generally, they should be ...

"The motion sensors register this change as movement ... Ring doorbell might miss motion that is very low and close to the door. Ring description: "Get everything you need with our most advanced ...