Video:      Video Input :  4 Ch BNC input，NTSC/PAL，1V p-p,750hm

                Video Output :BNC,SVHS(Y/C),VGA

Audio:      2CH input 、1CH output

Operating Port :Keybord:Keyboard Control

                 Remote:IR Remote

                USB Port :USB backup /USB2.0

Display :   Monitoring：720 *480（576）

                 Resolution:720*480（576）

                 Display:lch full screen,4CH display

Recording:Compression:MPEG-4

                 Record Mode:Manual / Event / Alarm / Motion / Schedule

                 Playback Mode:Play, Step, Back Step,FF,Rew

                 Record search:time,event ,manual

                 events:1600

                 Resolution:720 * 240(288)

                 Record Speed :  Max 60(50) Field/sec,720 * 240(288)/4 Ch personal setting fps

Network:  Network Interface :  IE

                 Protocol: TCP/IP

                 Remote Ctrl: PTZ / Remote REC / Live / PB

                 User: Max 5 User

Sensor/Relay: alarm : 4CH input 、1CH output

                 PRE RECORD:NO support

                 Motion Detection: support

Backup:    USB Storage Backup

Full Duplex: Simplex

Storage:   1Sata 500G hardisk ,No support IDE hardisk       

language: English、or Chinese

Upgrade : USB ,CD/DVD update

Power Source: DC 12V,4A

Dimensions(W*D*H)(mm): 360*44*230