○ Compression; H.264,support D1.
○ 4 Channel Video Input/1 Channel Video Output.
○ VGA(optional)
○ Selectable English /Chinese.
○ Support USB2.0.
Model GT-3004N Operation System Embedded Linux Compression (Single Channel) H.264 Video Input/ Output NTSC : 4 Channel BNC Input/1 Channel BNC Output PAL : 4 Channel BNC Input/1 Channel BNC Output Audio Input/ Output NTSC : 4 Channel BNC Input/1 Channel BNC Output PAL : 4 Channel BNC Input/1 Channel BNC Output Display Frame Rate NTSC : 120 fps (4*30 fps) PAL : 100 fps (4*25 fps) Record Frame Rate NTSC : 120 fps (4*30 fps) PAL : 100 fps (4*25 fps) Record Mode Manual, Schedule, Motion Detection Image Quality CIF/HD1/D1 selectable Playing Mode 1 Channel or 4 Channel Searching Mode By Time/ By event/ By channel HDD >500G、Support 1*2TB SATA HDD Remote Control Yes Alarm Input/Output 4 channel input/1 channel output USB Port USB2.0 Language Support SimplifiedChinese,English,Spanish,Turkish,Italian, Russia,French,Polish,Greek,Sweeden,Germany,Japan,Hugray. VGA Support Optional Internet IE/PPPoE/DDNS Mouse Control USB PTZ Control YES Mobile Surveillancet Support Symbian s60 v3.0,Mobile Pocket PC operation system,Iphone,Blackberry,Gphone. Power Supply 19V/ 3.42A DC Working Temperature -10℃ - +50℃ Working Humidity 10% - 90%