4 channel,H.264, CCTV DVR CARD/DVR Board/Video Capture card/Video compression card/software compression dvr card
NXP SAA7130 chipset,9 bit video decoder
Adopt advanced digital video processing arithmetic, auto denoise, high resolution & quality
4 channel video input, 4 channel audio input
Support 24 channel real time compressing and displaying maximum.
Display Rate: 100 FPS(PAL) 120FPS(NTSC)
Record Rate100 FPS(PAL) 120FPS(NTSC)
Support Video Resolution: 352 x 288, 528 x 384, 704 x 576
Compression Format: H.264. 
Compression Ratio: 50 120MB per hour per channel
Support OSD timely cover, digital watermark, motion detection recording
Network Protocol :TCP/UDP,
Support IE browser,client site software,built-in DDNS
Offer SDK and Demo source code

System Requirements
CPU: Intel Celeron D 2.66G or above
Mainboard: Intel series chipset mainborad(currently not compatible with VIA series and SIS series chipset mainboards.)
RAM: 256MB or above (512MB needed for 24 channels)
VGA: Integrated display card or above
Power Supply: 300W or above (DC output: 3.3V, 27A)
OS: Windows 2000 / XP
DirectX Version: 9.0 or above