Parameter Total Capacity PAL:50 Frames/S ( Playback 25 Frames/S) NTSC:60 Frames/S ( Playback 30 Frames/S) Compression Format H.264 Video Input 1-4 Channel Input Chipset TECHWELL 6802 chip,10Bit ADCs Audio Input 1 Channel TV output 1 Channel TV output Image Resolution Displaying Resolution:352X288 320X240 Recording Resolution:352X288 320X240 Data Storage 100-150M/Hour/channel Specification PCI2.2 criterion Comply with PCI2.2 Criterion,support PNP Video Input connector BNC input cable Video Input Impedance 75R Consumption 6W(Compact structure and stability system) Card Dimension 140 (L) X120 (W) X19 (H) mm Net Weight 100g Temperature -10C+50C Configuration Operation System Windows 2000/XP/NT Recommendations P4/2.4G,DDR256M,ATI 64M or Above Maximum Channel Support 2 CH(real time),4 CH(non-real time)