China DVR Cards & Systems Wholesale

Wholesale DVR card product with 2 channels real-time monitoring, 1 audio input and 4 total video input channels. This DVR Card features high quality 640 x 480 or 352 x 288 display and recording resolution at 50 fps in PAL and 60 fps in NTSC color systems. Image compression is though MPEG-4 and 120~150M/H/C compression ratio with TCP/ UDP Network protocol. Compatible with alarm control, automatic record and Video motion detection function. Very low price plus Chinavasions MOQ policy makes this an easy choice for DVR security.

NOTE: The colour of the circuit board may differ from that pictured.

China Manufacturer Specification

• Video Input: 4 channels (2 Real Time)
• Audio Input: 1 channels
• Image compression: MPEG-4
• Video total frame rate: 50 fps in PAL, 60 fps in NTSC
• Display resolution: 640 x 480, 352 x 288
• Recording resolution: 640 x 480, 352 x 288
• Compression ratio: 120-150M/H/C
• Network protocol: TCP/ UDP
• Operating System: Windows 2000 / XP
• Manufacturer Ref.: 78VVW39WECEP

Other Features:

• Alarm control
• Use alarm box to make alarm function
  RS232/RS485 Communication, max 255 channels alarm input/output
• Automatic record when alarm start up
• It is able to control automatic record time when alarm start up
• Compatible with channels alarm output, can connect to light, bell, etc. alarm device
• Compatible with motion detection and alarm area settable
• Automatic record when motion detection start up then display the electronics map
• 2 CH real time monitoring
• Transmission network: PSTN/ISDN/LAN/ADSL/DDN
• Internet speed: LAN: 100F/S ADSL: 10-30F/S
• Software: professional DVR software
• You can turn up the brightness or contrast or hue or saturation
• Provides Effective surveillance over a large area
• Video motion detection: by software
• 
  Manufacturer and Origin: China
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