... output:BNC*1, VGA*1 Audio input:BNC*8 Audio Output:BNC*1 8CH CCTV ... DVR, D1( 720x576), 200/240fps, DVR, 8CH DVR Standalone, CCTV DVR 8CH Video, 8CH Audio ... D1( 720x576), 200/240fps, 8CH Video, 8CH Audio, 4CH Alarm, 3G DVR, Stand alone DVR, ... compressionG711AAudio inputBNC*8Audio OutputBNC*1Monitor screen1/4/8/9 window displayLocal playback8CH simultaneousBackupUSB Backup, ...