Main stream supports encoding at up to WD1 resolution in real time and sub stream at CIF/QCIF resolution. ? Simultaneous VGA and CVBS outputs. ? VGA output at up to 1920×1080P resolution. ? Channel-zero encoding. ? Support dual stream. ? HDD quota management; different capacity can be assigned to different channels. ? Holiday recording schedule configuration. ? Smart searching for the event triggered record files. ? Digital zoom of video in live view or playback mode. ? Up to 4/8/16-ch synchronous playback. ? 1 self-adaptive 10M/100Mbps network interface. ? IPv6 is supported. ? Network detection function. ? NTP, SMTP, UPnP™, RTSP protocols supported.