network Video Server:4ch DVS,TI642,SP,H.264 ... Out:2ch D1,CIF network Video Server HK-DVS 404 Video Server,ip Video Server,network Video Server camera,surveillance equipment,security ... Support local-hard-disk-storage D1 High Definition network video server, compatible to CIF and QCIF Support dual ... recovery if exception occurs .Auto-connection if the network interrupts Support multi-user to access the DVS, ...