... RCA)Alarm Input / Output8CH Input,2CH OutputDisplayResolutionNTSC: 720 x 480 / PAL: 704 x 576Frame RateNTSC: 240fps / PAL:200fpsRecordResolutionNTSC: CIF(352x240) ... ,Good,Medium,Normal and BadHard Disk StorageMax 2 x 2048MB SATA HDDMultiplex OperationLive display,Record,Playback,Backup ... by dragging the slider barBackup DeviceUSB,USB Movable HDD,Network,USB DVD -RWPre-alarm RecordingAbout 10 seconds ...