Specifications Input Type: DB15 X 2 Video Input(s): 16 Cams Audio Input(s): optional Recording Rate : 480fps (NTSC), 400fps (PAL). Display Rate: 480fps (NTSC), 400fps (PAL). Video Resolution: 320x240, 640x240, 640x480, 640x480 S/W Compression Format : Wavelet, MPEG-4, GeoMPEG4 GV-DSP Support : Yes GV-A16 Support : Yes GV-NET/IO Card Support : Yes Dimensions : 238mm x 103mm Software: V6.1.0 FOB SHENZHEN:US$655/PC