... (1) Software MPEG-4 compression (2) 4~16-ch Video Input, 1-ch Audio (3) Display Speed: 100fps/PAL, 120fps/NTSCDVR ... DVR pannelSpecification:(1) Software MPEG-4 compression(2) 4~16-ch ... Video Input, 1-ch Audio(3) Display Speed: 100fps/PAL, 120fps/NTSC ... 7.05) dvr card MPEG-4 compression 4~16-ch Video Input