network Video Server:4ch DVS,TI642,SP,H.264,Support CF ... :2ch D1,CIF network Video Server HK-DVS 404 Video Server,ip Video Server,network Video Server camera,surveillance equipment,security equipment ... local-hard-disk-storage D1 High Definition network video server, compatible to CIF and QCIF Support dual-bitstream output ... 720*576) or CIF(352*288) Free Software to manager more than 256 channels