This wholesale product is compatible with VGA output, USB backup and network and so on. It is also able to MPEG4 compression and directly connect to monitor. What is more, it is compatible with 2 pieces 300G hard disks. If you have read the specifications behind, you will find more interest about.

Main Feature

MPEG4 video compression, a higher compression ratio, the more efficient hard disk space

Image Format CIF/Half D1/D1 three options

4-channel synchronization of audio and video compression

4-channel input and 2-channel alarm output

It is compatible with VGA output

It is compatible with two pieces of large hard disks which more than 300G

Pre USB 2.0 and audio&video output

Table inquiry, time inquiry and precise inquiry, many inquiry ways

Built-network function, TCP/IP protocol,support client software and Internet Explorer

It is compatible with PTZ, equipped with infrared remote control

Graphical user interface, operate more convenient

Compatible with two-way intercom network
Manufacturer Specification

Video Signal: PAL (625 line, 50 field / sec); NTSC (525 lines / frame, 60 field / sec)

Video Input
Composite Video: 1.0V p-p/75 , BNC connector x 4

Video Output
Composite Video: 1.0V p-p/75 , BNC Connector x 1, VGA output

Audio Input: RCA linker x 4

Audio Output: RCA linker x 2

Alarm input: Non-voltage contact closure, always open or closed, 4-channel input

Alarm output: Non-voltage contact closure, always open, 2-channel output

Alarm
Alarm sensor input
Video detection alarm
Video loss alarm
Disc full warning

NETWORK: 10/100M Ethernet port adaptive, compatible with LAN, ADSL, DDN, WAN way

Control
Compatible with PTZ, RS485 interface x 1

Backup mode
USB backup
network backup
CD-RW backup
Disc backup

Resolution
Vision: 704 x 576
Image: CIF 352x2881/2D1 352x576D1 704x576

Compression Standard: MPEG4

Hard Disk
Two IDE interface, and compatible with large hard disks over four blocks 300G

Bitstream installed:
Stall seven Bitstream : 300MB/h, 400MB/h, 500MB/h, 600 MB/h. 700 MB/h, 900 MB/h
Own: 1~4000MB/ h

Security functions: Data encryption + 2 Password management

Power: DC12V 5.0A/50Hz ,30W (no hard disk)

Temperature
Operating temperature : +5 ~ +50 deg; Humidity: 90%
Storage temperature : -20 ~ +70 deg; Humidity: 95%

Size appearance: 435 x 63 x 360mm