Linux real-time operating system
H. 264 compression, 8 / 16 channels full real-time recoding
Support mouse, keyboard, panel and remote control (keyboard control not support DVR cascading)
D1 resolution for preview, CIF resolution for playback
Support OSD, real-time sound monitoring, watchdog function, etc.
Support VGA, monitor and S-video simultaneous output
1 channel aux matrix output (1-of-multi channels output; Optional channel number & duration of input)
Adopt dual-stream, support PPPoE, DHCP, \TCP/UDP protocols
Support backup at devices like USB hard disk, USB / SATA burner and network (external USB burner is available)
Support many record modes: Manual record, scheduled record, alarm record, motion detection record
Search video files by cording type, date and time
Support IE & client and other ways suchlike network visit, support remote view, playback and device management
Support SATA hard disk record with max. 1TB per disk
Support 4-channel audio & video synchronous playback, playback fast forward / fast backward / slow / frame by frame, etc
Support multi languages (Simplified Chinese / Traditional Chinese / English)
Support graphic interface operation and menu notes function

Features:

Compression Function
H. 264 video compression standard and each channel can record real time (PAL is 25FPS and NTSC is 30FPS)
Support max. 16 channel video and audio inputs
Multi-zone motion detection function
Video signal loss alarm function
OSD function (display camera number & time)
Support variable bit rate and variable frame rate
Support dual-stream

Storage function
Support at most 4 HDD and each HDD is up to 1000GB
Linux file system
Support many record modes: Full real-time record, motion detection record, alarm record, motion & alarm record, motion detection | alarm record, manual record
Cycle and non-cycle record modes available
Support USB flash memory, USB hard disk and USB CD-RW, SATA recorder for backup

Preview & Playback
Supports monitor output and VGA output
Support 1-channel auxiliary matrix output
Support 4-channel video synchronous playback
Support playback fast (16X), slow (1/16), frame by frame, continuous play, list search and clip backup, etc

Network Functions
Support TCP/IP, HTTP, etc
Support ADSL (PPPoE) dialup function and DNS protocol, Automatic Reconnection
Remote DVR parameters setup
Remote playback, download the recording files in DVR

Remote record function
Remote upgrade DVR online
Remote control PTZ
Support Internet Explorer for network preview
Remote get alarm information from DVR
Network voice talk

Others
Support PTZ local and remote control
Support multi-level user management
Support Motion detection alarm, signal loss alarm and sensor alarm, etc
Support alarm linkage PTZ presets
Support local and remote search log function
Automatic restart when electricity is restored again
Specification: