... output 5. Multi recording modes:manual, timing, alarm, motion detection6. Multi control modes: mouse, front panel, remote control ... operating system ItemsSpecificationsVideo SignalPAL (625Line50f/s), NTSC(525Line60f/s)Video Input4 Channel, BNC , 1.0V p-p/75 ... , Trigger closed without VoltageOpen or ClosedAlarm ModeSensor Input, Motion Detection, Video Loss, Full Disk Space.NetworkEthernet (10/100M )LAN ...