Connectable to TVI and analog cameras; Support HIKVISION-C protocol for connecting camera over coax; Connectable to network cameras; Simultaneous HDMI and VGA outputs at up to 1920×1080p resolution; New GUI and supports starting record with one key; Redundant recording, holiday recording schedule configuration; Instant playback for assigned camera during multi-channel live view mode; Support up to 24/32-ch synchronous playback; and reverse playback for multi-channel; Smart playback to go through less effective information; Manual video quality diagnostics; Support VCA alarm (line crossing detection and intrusion detection); Customization of tags, searching and playing back by tags; Locking and unlocking record files; Support HDD quota and group management; different capacity can be assigned to different cameras under quota mode; Provide 4 SATA interfaces and 1 eSATA interface for record and backup; 1 self-adaptive 10M/100M/1000M network interface; Support access by EZVIZ Cloud P2P; Support Hikvision DDNS (Dynamic Domain Name System); Network detection function.