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 composite 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

NTSC,PAL

Audio

Audio input

4-ch audio input

Audio output

1-ch audio output

Recording mode

Audio & Video sync Recording

Phone

Support IP call and analog voice call

Image processing & storage

Image format mode

CIF/HD1/D1 optional

Video stream Standard

ISO14496-10

Video bitrate

CIF: 1536Kbps ~ 128Kbps,4 levels optional.　

Highest:0 level; Lowest: 3 level

HD1: 2048Kbps ~ 512Kbps,4 levels optional.　

Highest:0 level; Lowest: 3 level

D1:  4Mbps ~ 1Mbps,4 levels optional.　

Highest:0 level; Lowest: 3 level

Audio Bitrate

8KB/s

Storage

Built-in a SATA HDD, support HDD Max 1TB;

And built-in a SD card, Support SD card Max 128GB;

Alarm

Alarm input

8 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 3-RS485 interface

RS232 Interface

Support 1-RS232 interface

WIFI Interface

Support RJ45 interface external 802.11b/g

USB interface

Include 2 USB interfaces,1 USB interface connect with external Vehicle Bla