... (BNC,VGA)Audio Input / Output8CH Input,1CH Output (RCA)Alarm Input / Output8CH Input,2CH OutputDisplayResolutionNTSC: 720 x 480 / ... ,Backup,Network Transmit,Mobile ViewRecording ModeManual,Timing,Motion Detection,AlarmPlayback ModeSlow Speed,Rapid Speed,Manual,Single-fame ... DeviceUSB,USB Movable HDD,Network,USB DVD -RWPre-alarm RecordingAbout 10 seconds before alarmNetwork ProtocolTCP/IP,PPOE,DNNS ...