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A network video recorder (NVR) is a specialized computer system that records video [1] to a disk drive, USB flash drive, memory card, or other mass storage device. An NVR itself contains no cameras, but connects to them through a network, typically as part of an IP video surveillance system. NVRs typically have embedded operating systems.
In some DVR security systems remote access to security footage using a PC can also be achieved by connecting the DVR to a LAN network or the Internet. Some of the latest professional digital video recorders include video analytics firmware, to enable functionality such as 'virtual tripwire' or even the detection of abandoned objects on the scene.
IP can optionally be transmitted across the public internet, allowing users to view their cameras remotely on a computer or phone via an internet connection. [158] IP cameras are considered part of the Internet of things ( IoT ) and have many of the same benefits and security risks as other IP-enabled devices. [ 159 ]
Network DVR (NDVR), or network personal video recorder (NPVR), or remote storage digital video recorder (RS-DVR) is a network-based digital video recorder (DVR) stored at the provider's central location rather than at the consumer's private home. Traditionally, media content was stored in a subscriber's set-top box hard drive, but with NDVR the ...
Hangzhou Hikvision Digital Technology Co., Ltd., often shortened to Hikvision, is a Chinese partly state-owned manufacturer and supplier of video surveillance equipment for civilian and military purposes, headquartered in Hangzhou, Zhejiang.
H-P 8200 Elite Small Form Factor desktop computer. Small form factor (SFF) is a classification of desktop computers and for some of their components, chassis and motherboard, to indicate that they are designed in accordance with one of several standardized form factors intended to minimize the volume and footprint of a desktop computer compared to the standard ATX form factor.