What does a motion sensor do?

A motion sensor, or motion detector, is an electronic device that uses a sensor to detect nearby people or objects. Motion sensors are an important component of any security system. When a sensor detects motion, it will send an alert to your security system, and with newer systems, right to your mobile phone.

What is an example of a motion sensor?

The most frequently used motion sensors are Passive Infrared (PIR), Microwave, and Dual Tech/Hybrid.

Is a motion sensor a camera?

About Motion Sensor Cameras Motion sensor cameras are just what they sound like — devices with sensors that detect movement. When movement is detected, the camera sends a notification to your phone, starts recording video, or both. Some are only meant to be used indoors, while others are outdoor security cameras.

What does motion sensor do in Chrome?

Motion Sensors: Allows sites to use motion sensors (such as light or proximity sensors). The recommended setting is “Block sites from using motion sensors”. Notifications: Sites can create notifications in your browser, even when you aren’t visiting that specific site.

Why do I need a motion detector?

The main purpose of motion detection is to sense an intruder and send an alert to your control panel, which alerts your monitoring center. Sensors work when you’re not home or when you tell the system you are not there.

Why would a website use motion sensors?

Combined with browsing habits and other information that Web developers are allowed to collect, motion sensor data can be used to identify unique patterns that tie specific users to their devices and allow them to be tracked and fingerprinted online.

Why do sites need access to motion sensors?

Your browser has access to a lot of data via (and metadata regarding) the device you installed it on. As much as some of the websites you visit would looove to have access to all that data, any decent browser acts as a firewall, blocking that access by default and prompting you to allow it.