D-type: DB15 x 2 Video input: 4, 8, 12, 16 cameras Audio input: double-channel Recording rate: NTSC: 60fps PAL: 50fps Display rate: NTSC: 60fps PAL: 50fps Video resolution: NTSC/PAL: full D1, half D1 and CIF Compression formats: wavelet, MPEG-4, Geo MPEG-4, Geo MPEG-4 (ASP) and Geo H264 GV-A16 supports: yes