• H.264 ,H.264+& Dual-stream video compression • Support  HD-TVI, IPC,AHD and analog cameras with adaptive access • Support Cloud storage(One Drive, Google Drive or Drop Box) • Simultaneous HDMI1 and VGA output at up to 1920 × 1080 resolution, and independent HDMI 2 output at up to 4K (3840 × 2160) resolution • Long transmission distance over coax cable • Up  to 4/8/16-ch synchronous playback at 3MP resolution • playback at up to 256X speed. • Support POS functions. • Raid 1/0/5/10 • Dual network ports