The different ofDVR and NVR
May 16, 2022
1. DVR: hard disk video recorder
It is a computer system for image storage and processing, and has the functions of long-term recording, recording, remote monitoring and control of images/voices.
2. NVR: Network Video Recorder
It is the storage and forwarding part of the network video surveillance system. The NVR cooperates with the video encoder or network camera to complete the video recording, storage and forwarding functions.
3. Requirements for the camera:
DVR and NVR belong to the input device, there is no requirement for the camera, and can be matched according to the specific use environment.
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What to Consider When Choosing the Best PoE Security Camera Systems
Most PoE security camera systems include one or more Retail Store Camera System PoE cameras as well as a network video recorder (NVR) to store the video footage. Stand-alone PoE cameras are also available for those who only need a Wireless Nvr Kit Surveillance system single camera or for adding onto an existing system. Solar Powered CCTV Outdoor Camera The important features to keep in mind when choosing the best PoE security camera or camera system are explained ahead. 4g Outdoor Wireless Camera
Type
PoE cameras are available in the most popular security camera types, which include bullet, dome, turret, and pan-tilt-zoom (PTZ). Camera Kits System With 8 Camera
Bullet cameras, Wifi NVR 8 Channel named for their cylindrical shape, are a basic and popular option. They have a fixed viewing angle and tend to offer great image quality. Plus, they obviously look like a camera, which by itself can make them a good visual deterrent against intruders.
Dome cameras, so called for their rounded housing made of break-resistant glass or plastic, also have a fixed viewing angle. Their small size and protective housing make them discreet and vandal-resistant, but the dome can cause glare, which can negatively impact image quality. Home Security Cctv Wifi Smart Camera
