... softwareSupport insert 2-4 cards in the same PC at most, form 16-32 channel real ... 4channel & 8channel to form 12 channel monitoring Multi screen monitoring, 1,4,9,16,25, ... split Screen available, support rotate display Support multi-hard disks cycle recording Recording both flow trends ... ch/ 16 Ch playback Multi-user's authority management setup, support to set up user's operating authority Support ...