Features: 1. The first software compression DVR card based on Linux OS in China 2. Strong Linux system to prevent virus, attack from hacker 3. Easy, one-station installation from OS to software. Normal user can become installation engineer. 4. One series has 1ch, 4ch, 8ch, flexible combination in one PC 5. Lightning, static proof design for hardware 6. No need to buy the expensive windows OS. Six advantages for Linux OS: 1. The safest, the most stable 2. Operation speed and efficiency is higher than windows OS 3. Fully exert the performance of system because of the multiprogramming environment 4. Powerful network function, connect between surveillance system and internet is more easy 5. Easy operation, quick usage 6. Low cost for maintaining, decrease the cost of man-power. Technical parameter: Video input 8channels TV OUT 1channel Frames rate 200pfsú¿PALú¬/240fpsú¿NTSCú¬ Compression H.264/MPEG4 File size 80~200M/H/C Multiple Cards -8Db 3Kª+, CA, ch Display resolution 640 X 480, 52 X 288, 20 X 240; record resolution 640 X 480, 52 X 288, 20 X 240. PTZ Control from Local or remote, upport protocol of popular high speed dome or speed dome. Remote TCP/UDP protocol, E viewing available.Connect to 256K-2M internet bandwidth can reach the effect of LAN without occupying CPU resource. Recording mode Manual, ontinuous, chedule, vent (Senor, otion Detection) and Multi-zone motion detection setting Simultaneity available. Playback Multi-channels playback simultaneously; Digital Zoom, apture and print or backup the picture of the Video files. Other With Watch-dog and Lightning-Proof design. OS LINUX packed in a white/color box each pcs