1.8CH Digital Video Recorder 2.USB Mouse 3.2SATA HDD,Max 2TB HDD Supported 4.Audio, ... CIF Playback at the same timeOperation interfaceGraphical user interface(GUI),mouse,panel,remote control operationVideo standardPAL , NTSCImage compressionH.264Audio ... search,event search,channel search,the log searchBackupNetwork backup,USB backup,SATA DVDVideo input4 BNC8 BNC16 BNCVideo output1 BNC, ...