OS

Linux3.0

Graphics   Operation Interface

System   parameters can be set through external display and remote controller

Security   Management

2-level   management for user password, administrator password, supporting encrypted   transmission

Video   and Preview

Video   Input, Output

4-channel   video input, 1channel video output; 1.0Vp-p, 75Ω

OSD

Character   superposition function, information superposition of time and date, device ID   and GPS, etc.

Video   Compression Format

Compression   coding. Applying Hisilicon hi-performance processor.

Dual-Stream

Supported

Preview   Function

Preview   of 1-channle, 4-image stitching, supporting full screen triggered by event   and switching of stitched images

Frame   Rate

PAL:   100 frames/s, up to 25 frames/s per channel; NTSC: 120 frames/s, up to 30   frames/s per channel

Resolution  

AHD   720P，D1, HD1 ,CIF  4channel

Quality

Grade   1 to grade 8 for selection (1 is the best)

Bit   Rate

CIF: 300Kbps ~   1.2 Mbps, 8-level bit rates for selection

HD1: 500Kbps ~ 1.5   Mbps, 8-level bit rates for selection

D1:   600Kbps ~ 2Mbps, 8-level bit rates for selection

720P:   800Kbps ~ 4Mbps, 8-level bit rates for selection

Audio

Audio   Input, Output

4-channel   input, 1-channel output

Compression   Format

G.726   coding

Recording

Storage   Medium

Supporting   one 2.5” hard drive and one SD card, which supports up to 128G, supporting   data redundancy storage technology;

File   Format/ System

Special   file system

Video   Strategies

Recording   at startup by default, supporting timed recording, recording triggered by alarm   and event, as well as manual recording

Video   Search

Searching   by time, type, storage device and other conditions

Video   Playback

Supporting   playback on local device, supporting synchronous playback of up to 4 channels   and analysis on vehicle information in the files

Supporting   fast forward, fast backward, play and pause, supporting fast forward and fast   backward at 2x, 4x, 8x and 16x speed, supporting file play from selected time

Alarm

Alarm   Input/ Output

8-channel   on/off signal alarm input, 2-channel on/off signal alarm output

Alarm   Recording

duration   of recording after alarm can be adjusted from 10s ~ 999S

Storage   Space Alarm

Supporting   settings for alarm of storage space

Function   Alarm

GPS   overspeed alarm, acceleration alarm, motion detection alarm

Communication   Ports

485,RS232,   RJ45 10M/100M self-adaptable network interface

Wireless Transmission (Optional)

Supporting   Wi-Fi;

GPS   (Optional)

Supporting   external GPS

PTZ   Control

Supporting   PTZ control realized by local;

Parameter   Configuration

Supporting   parameter configuration functions for mobile DVR coding channel;

G-Sensor

Embedded

System   Upgrading

Supporting   SD card, hard drive upgrading and remote upgrading