H.264 ahrdware compression 8ch dvr card Video specificationsencoder real time h.264 base profile (mpeg4 part 10) supports constant bit rate (cbr) and variable bit rate (vbr) support up to 32 channels encoding at the same time on one pcresolution cif compression:up to 352x240 (ntsc), 352x288 (pal) video bit rate: 60kbit/sec to 2mbit/sec (variable bit rate) 384kbit/sec to 2mbit/sec (constant bit rate) frame rate: 30 fps per channel (ntsc), 25 fps per channel (pal) real time preview, recording and playback setup: setup all parameters while encoding Paper box.0.68kg/pcs