Video Input(s):4, 8, 12, 16 Cams Video Input(s):16 Cams Audio Input(s) : optional Recording Rate:480 fps (NTSC), 400 fps (PAL). Display Rate:480 fps (NTSC), 400 fps (PAL). Video Resolution: 320x240, 640x240, 640x480, 640x480sw Compression Format:Wavelet, MPEG-4, GeoMPEG-4