... , IP, TCP, PPP, PPPoE, DHCP, SNMP, etc.);15.Video Compression: H.264;16.Support Web Server, suport IE access;17.Record ... , Motion detection recording;18.Dimension:441(W)*470(D)*90(H)mm19.Remote maintenance: Parameter can be set by software or ... :Network DVR support administrator/ operator two permissions level Hot 4CH h.264 dvr 1 channel dvr