System

language

Chinese/ English

Operation system

Linux

Operation interface

Graphical User interface(OSD menu)

Password

User /Admin password

Control mode

IR remote control

Video

Video input

4-ch video composite input

Video output

1-ch output

Display mode

Single/ 4-ch video

Video compression

H.264 Main profile

PAL:100f at D1/s, NTSC: 120f at D1/s

Video Signal

PAL, NTSC

Audio

Audio input

4-ch audio input

Audio output

1-ch audio output

Recording mode

Audio & Video sync Recording

Image processing & storage

Image format mode

CIF/HD1/D1 optional

Video stream Standard

ISO14496-10

Video bitrate

CIF: 1536Kbps ~ 128Kbps,

HD1: 2048Kbps ~ 380Kbps,　

D1:  2048Kbps ~ 400Kbps

8 levels optional. Highest:1 level; Lowest: 8 level

Audio Bitrate

8KB/s

Storage

Support Dual SD card, Max 64GB(single),total 128GB;

Alarm

Alarm input

4 alarm input, below 4V is low level alarm, above 4V are high level alarm

Alarm output

2 alarm output, output high level:12V

Communication Interface

RS485 Interface

Support 2-RS485 interface

RS232 Interface

Support 1-RS232 interface

Extended interface

announce

support extended announcer or LED panel

SPEAK

SPEAK+,SPEAK-

Acceleration Sensor

Acceleration G-Sensor(optional)

Module

GPS

GPS module. GPS Graph, GPS speed etc can be read in coding flow,and can be uploaded via wireless

3G

WCDMA / EVDO/HSPA(TD-SCDMA) module

WIFI

Built-in WIFI