Products
Emporium - DVR

A Network Video Recorder (NVR) is a device for storing digital CCTV images on an IP network. (For contrast, see DVR*).
The NVR is therefore a networked computing device and benefits from this in such aspects as location (which is independent of camera or control room location), security and network access and functionality. In this last respect, NVRs can be written to and read from simultaneously thus allowing the viewing and analysis of one stream of video whilst another stream is being written. Commonly equipped with hot-swappable additional storage, NVRs are easily scalable and their contents can be subject to the back-up, recover and disaster recovery regimes that already exist on the IT network that they share.

*NVR (Network Video Recorder): Unlike its predecessor, the DVR, a NVR is not limited to be in the same area as your cameras cabling to one section. The unit can be placed virtually anywhere, it simply just needs to be on the same LAN network as the IP based cameras.
In terms, a network video recorder are distinct from digital video recorders as their input is assigned on a network rather than a direct connection to a video capture card. Video on a DVR is encoded and processed at the DVR, while video on an NVR is encoded and processed at the camera, then streamed to the NVR for storage or remote viewing. An NVR is a software program that records video in a digital format to a disk drive, USB flash drive, SD memory card or other mass storage device. An NVR contains no dedicated video capture hardware. However, the software is typically run on a dedicated device, usually with an embedded operating system.

NVR is used in IP video surveillance systems. Because of the nature of these units, a camera that is capable of capturing High Resolution (Mega Pixel cameras) will record and playback as that desired resolution unlike a DVR system.

NVR - Uniview

NVR - Uniview

Uniview is a quality-oriented company, having high quality and self-owned intellectual properties products, including IP camera, NVR, encoder, decoder, IP SAN, client software and app.
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NVR - Network Video Recordere

NVR - Digiever

Network Video Recorders (NVR) are complete network surveillance systems with local display, remote monitoring and high performance megapixel recording. We provide you with powerful Digiever NVRs: DS2000 Entry Level serie; DS4000 and DS4000PRO Professional serie.

Digiever - NVR
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DVR - HDCVI Dahua

DVR - HDCVI Dahua

HDCVI (High Definition Composite Video Interface) is a patented technology by Dahua Technology, a surveillance solution that enables video streaming at up to 4K resolutions at high distances and at low cost, using a coaxial or UTP cable.
Multi-standard HDCVI DVRs with 4 ~ 16 channels support HDCVI, Analog, IP, AHD, TVI and are compatible with ONVIF 2.4.1.
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