Description : GTV-9008DV Real time display 240 fps Display Rate & 120 fps Recording MPEG G-4 compression ,High resolution image (704x480) User friendly Setup & Operation ,On Screen Display by Stylish icon 8 Channel BNC Video in ,2 Channel BNC Video out, RCA & VGA Output Display multi screen 1/4/8 OSD (Multi-Language) 8 Channel 4 Ways Audio input ,2 Channel Audio Output 8 Channel Sensor out input ,4 Channel Alarm out put 4 HDD bay external capacity. Easy back –up with 3 USB ports and build in DVR+RW Network protocol: TCP/IP/DHCP,SMTP Power remote monitoring With SVR manage programs Integrated Network Multi View ,Multi –User Remote Viewing Various input controllers including PC Mouse Remote Control and key board Controller (SCC-3100 A) Serial interface RS-232C ,Rs -485/422 (RJ-45)