... , 800×600Tour DisplaySupportPrivacy Masking4 self-defined four-sided zones for privacy masking for each cameraOSDCamera title, time, video loss, camera block, ... H, Video:56-400MB/HAuxiliarylnterfaceUSB lnterface3 ports, 1 for mouse control, 1 for backupPTZ controlRS485EnvironmentDimension2U, 510mm×490mm×180mm(W×D×H) ... performance H.264 Real time 32CH digital stand alone DVR for CCTV security system