GV900 DVR card Video Input:1-16 CH Audio Input:4 ch Recording Rate:240 fps/200fps Display Rate:240fps/200fps GV900 DVR card Specification Video Input:1-16 CH,Audio Input: 4 CHCompression Format MPEG-4 Recording Rate: 240 fps/200 fps(NTSC/PAL)Display Rate: 240fps/200fps(NTSC/PAL)Video Resolution: 320x240, 640x240, 640x480, 640x480OS: Windows 98/Me/2000/XP GV900 DVR card