Feature:
Most competitive price and high cost effectiveness
H. 264 compression algorithm ideal for standalone DVR
Realtime live display up to? 4 cameras, 100/120 fps recording for CIF
Pentaplex function: Live, recording, playback, backup & remote access
Multiple control methods: Front panel, IR remote control, DAHUA keyboard, USB mouse and network keyboard.
Smart video detection: Motion detection, camera blank, video loss.
Smart camera settings: Privacy masking, camera lock, color setting, and title display
Pan Tilt Zoom and Speed Dome Control: More than 60 protocols supported, preset, scan, auto pan, auto tour, pattern, auxiliary function supported. And with Dahua Speed Dome, 3D intelligent positioning function supported.
4channel audio inputs and bidirectional talk supported
Easy backup methods: USB devices, CD-RW/DVD-RW & network download
Alarm triggering screen tips, buzzer, PTZ preset, e-mail, FTP upload.
Powerful network software: Built-in web server, multi-DVR client & CMS. Networking access for remote live viewing, recording, playback, setting, system status, event log

System
Main Processor High performance embedded microprocessor
Operating System Embedded LINUX
System Resources Pentaplex function: Live, recording, playback, backup & remote access

User Interface GUI, on-screen menu tips
Control Device Front panel, USB mouse, DAHUA keyboard, IR remote? Control, network keyboard

Input Method Numeral/Character/Denotation
System Status HDD status, data stream statistics, log record, bios version, on-line user etc.

Video
Video Input 4 channel, BNC, 1.0Vp-p, 75, looping(optional)
Video Output 2 channel TV output BNC, 1.0Vp- p, 75; 1 VGA output
Video Standards PAL(625Line, 50f/s), NTSC(525Line, 60f/s)
Video Compression H. 264
Video Resolution Format NTSC PAL
CIF 352 X 240 352 X 288
Video Recording CIF: PAL 1f/s-25f/s? NTSC 1f/s-30f/s;

Video Display Split Full and multiple screen display, 1/4/8/9/16
Tour Display Support
Image Quality 1~6 level(Level 6 is the best)
Privacy Masking Self-defined four-sided zone for privacy masking for each camera
Camera Lock Camera locked for users
Camera Adjustment Adjust color according to different time period
Video Information Camera title, time, video loss, camera lock, motion detection, recording
TV Output Adjustment Adjust TV output color & display zone

Audio
Audio Input: 4 channel, BNC, 200-2800mV, 30K
Bi-direction Audio Input 1 channel, BNC, 200-2800mV, 30K
Audio Output: 1 channel, BNC, 200-3000mv, 5K
Audio Compression G. 711

Video Detection&Alarm
Motion Detection Zones: 192 (16*12) detection zones
Sensitivity: 1~6 (level 6 is highest)
Trigger recording, PTZ movement, tour, alarm
Video Loss Trigger recording, PTZ movement, tour, alarm
Camera blank Trigger recording, PTZ movement, tour, alarm
Alarm Input 4 channel, programmable, ground, manual open/closed
Trigger recording, PTZ movement, tour, alarm
Relay output 3? Channel, 30VDC, 1A, NO/NC, form-C

Record, Playback&Backup
Recording Mode Manual, continuous, video detection (including motion? Detection, camera blank, video loss), Alarm
Recording Priority Manual >Alarm >Video Detection >Continuous
Recording Interval 1 to 120 minutes(default: 60 minutes)
Overwrite Mode Support
Raid Function Support
Search Mode Time/Date, Alarm, Motion Detection & exact search?
(accurate to second)?
Playback 4? Channel playback simultaneously, Play, pause, stop,? Rewind, fast play, slow play, next file, previous file,? Next camera, previous camera, full screen, repeat,? Shuffle, backup selection.
Digital Zoom Selected zone can zoom into full screen during? Playback
Backup Mode Flash disk/ USB HDD/ USB CD-RW/DVD-RW/ network download