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What is a PIR camera? How does it work? How are PIR sensor cameras different from cameras that compare image pixels to detect motions?

Whether you’re looking for PIR cameras to avoid security system false alarms, to get real-time notifications and email motion snapshots when motion events occur, or to start up home security with a no-brainer security solution, you’ll find all the answers here.

What follows is the lowdown on PIR IP cameras that you won’t get from product pages, and how you can pick PIR surveillance cameras like a pro.

What Is a PIR Security Camera

To better understand the meaning of PIR cameras, we need to break the big subject into several simple questions.

To Understand PIR Detectors

What is a PIR detector? – PIR stands for passive infrared, and it’s also called PID for passive infrared detector. It’s an electronic sensor based on heat energy detection that commonly used for PIR activated IP cameras, lights and alarms.

So a PIR sensor security camera is a camera packed with a PIR sensor, and based on it for motion detection. Sometimes, it’s also known as infrared motion sensor camera, PIR video camera, infrared motion detector camera and PIR sensor CCTV security camera.

To Know How PIR Security Cameras Work

How does a PIR sensor CCTV security camera work? – Unlike motion activated security cameras based on image comparison, passive infrared security cameras work by detecting changes in levels of infrared radiation.

PIR cameras will be triggered by the change in the infrared radiation, when humans or other warm-blooded creatures pass by. For more info about how to choose the best outdoor motion activated cameras, read this.

In current security system market, PIR sensors are mostly applied to battery-operated IP cameras to preserve battery life and to avoid false alarms.

That is to say, it is often the case that we’re talking about PIR cameras when we refer to battery-powered security cameras.

What’s in it for you? – The PIR sensor surveillance camera working principle, to pick up motions that caused by people or animals, helps avoid false positives. Instead of moth flying videos, PIR video cameras will notify you of motion events that you should be alerted about.

PIR Security IP Cameras: Choices to Make Before Purchasing

When looking for security cameras with PIR sensor, you’ll get a pretty long list to choose from, which can be overwhelming. Let’s narrow things down by working out some problems.

Outdoor vs. indoor PIR IP camera systems, which one to go for? It highly depends on where the PIR motion sensor system will go. Get IP65 rated PIR CCTV camera systems, at least, if you’re planning an outdoor placement, to make sure the PIR camera can withstand dust and weathers.

Get PIR security cameras with SD card (slot) or pay for cloud storage monthly? Before buying PIR sensor IP cameras, a reliable recording storage is a must to consider.

The merits of having a built-in SD card (slot) in PIR CCTV security camera lie in its convenience, reliability and safety against possible internet snooping. The option enables PIR video camera systems to save footages even without Internet connection or without a self-recording PIR camera DVR.

PIR Cameras: Must-Have Features to Check

When we talk about the needs for WiFi PIR security cameras, we point to the needs for security and convenience. The following features will get you there:

PIR security camera systems with Full HD resolution – As a starting point of PIR IP camera systems, higher resolution refers to an increase in image quality and displaying details.

An upgrade from 720p (1MP) to 1080p (2MP) can make a positive difference between capturing what matters, or losing the details for identifying people or vehicles.

Check the video captured by the 1080p Full HD PIR camera, Reolink Argus

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