4 Channel Dvr Card - Digital Video Recorder - Wholesale Dvr China From China

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4 Channel Dvr Card($ 43 usd)

Source: http://www.esaleschina.com/best-dvr-cards-4-channel-video-2-channel-audio-usb-1792.htm

Wholesale Best DVR Cards - 4 Channel Video + 2 Channel Audio - USB with 4 RCA Video Inputs and 2 RCA Audio Inputs from China.

Knowledge of security DVR

DVR that is, Digital Video Recorder (also known as: Personal video recorder or PVR) - digital video recorders or digital hard disk video recorder, we are used to known as the hard disk recorder.

It is a PC for image storage and processing system, with the image / voice for a long time video, audio, remote monitoring and control functions, DVR set the VCR, Quad, PTZ camera control, alarm control, network transmission 5 kinds of functions such as one, with a piece of equipment will be able to replace the analog control system features a host of devices, but there is increasing in price advantage.

DVR is a digital recording technology used in image processing, image storage, retrieval, backup, and network transmission, remote control, it is also far superior to analog surveillance equipment, DVR represents the development direction of TV monitoring system, is currently on the market TV monitoring system, the product of choice. Specifications: Inputs:

- 4 RCA Video Inputs

- 2 RCA Audio Inputs Minimum System Requirements:

-OS: Windows 2000, Windows XP

-CPU: Intel Pentium 2 800 MHz

-VGA Card: Direct X 9.0 Compatible with 32MB of RAM

-HDD: 5 GB HDD Space

-RAM: 256MB

-Display: Windows display of at least 1024x768

-Sound Card: Windows compatible Sound Card Capture Properties:

- Resolutions: PAL- 352x288, 704x576 / NTSC- 320x240, 640x480

- Frame Rate: PAL- 25 fps, NTSC- 30fps

- Compression: MPEG4

- PAL, NTSC USB: 2.0 Dimension: 103x60x16mm(LxWxD) Power Source: USB 5VDC Manufacturer Ref. : B3VW9ZE6847P Other Features: Simple Setup Accessories: Software CD Manual

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