Video compression- H.264 main profile

Video input/output- 8 channel input and 1channel TV output BNC,1.0Vp-p,75Ω,1 VGA output(optional)

Audio input/output- 1 (could be expanded to 8channel) and 1 channel output

Alarm input- Choose 4 alarm

User interface- GUI,on-screen menu tips

Video standards- PAL 625 line,50 f/s;NTSC 525 line,60 f/s

Motion detection- Zones:396(22*18)detection zones,Sensitivity:1-6(6 is highest) Trigger recording,PTZ movement,tour,alarm,email,snapshot & FTP

Recording mode- Manual>Alarm>Video Detection>Continuous

Playback- 1~8channels playback simultaneously

Space occupation- Audio 28.8MB/H× channel;Video :CIF 4~5G/Day× channel,D1 8~10G/Day× channel

Backup mode- Network download/Flash stick/movable HDD/SATA HDD/DVD-RW

USB interface- 2 x USB2.0