... resolution4 x CIFFrames1F/S ~ 30F/S AdjustableHard Disk2 SATA Hard Disk interface (Support Capacity from 40G to 3T in Total )Video Input4 channel, BNC ... 1.0V p-p/75ΩMonitor Video Output1 channel, BNC, 1.0V p-p/75ΩVGA Interface1 VGA, Resolution: 800x600/60HZ, 1024x768/60HZAudio ... Remote Control, PTZ, Camera, RS485 x 1BackupUSB2.0, CDRW, DVDRW and NetworkBit Rate5 Levels120MB/H,150MB/H,250MB/H, 300MB/H ...