Motion zones are an easy way to customize how your live-streaming security camera detects activity. Ring security cameras and doorbells let you create three detection zones for free.

HomeKit motion sensors are a vital accessory when building a smart home than runs by itself without manually turning devices on and off.

The iPhone utilizes a sophisticated set of sensors for many of its operations, from automatically adjusting screen brightness based on the light around you, to detecting motion for various apps ...

They don’t work with sensors, or things that report a status. (Accessories often have sensors associated with them, like a light or motion sensor on a camera.) ...