... 3) Support insert 4 cards in the same PC at most, form 16 channel monitoring, and can ... & 9808, to form 12 channel monitoring 4) Multi screen monitoring, 1,4,9,16,25, 36 ... Screen available, support rotate display 5) Support multi-hard disks cycle recording 6) Recording both flow ... 8) Multi-user's authority management setup, support to set up user's operating authority 9) Support motion detection touch ...