32Turbo HD/CVI / AHD / CVBS self-adaptive interfaces input, 32-ch video&4-ch audio input,8-ch IP video input(up to 40-ch IP),H.264/H.264+/H.265+/H.265 video compression,4 SATA interfaces, 5MP: 12 fps/ch, 4MP: 15 fps/ch,Extended transmission distance over coax cable, 4K UHD output,alarm I/O: 16/4, 1.5U 19" case