- Graphical user interface, USB mouse support

- Half D1 high definition video playback

- Double bit streams function, more suitable for network transmission

- Proprietary dedicated file system without fragments, capacity up to 4000 GB per disk

- SATA HDD interface and eSATA backup interface, used for high-speed backup and for external disk storage system

- Supports limitation of download bandwidth

- Full duplex Intercom, either side can initiate and terminate a talk

- Supports multiple backup modes and local playback of backup files

- Hard disk failure alarm detection, main board failure alarm detection, motion detection, external sensors alarm, etc