... . 1,4,8 channel simultaneous realtime playback. Support TCP/IP,UDP,DHCP,IP Filter,PPPOE,FTP,DNS,DDNS,NTP,UPNP,EMAIL,Alarm Server ... mouse) Network InterfaceRJ-45 port(10/100M) Network FunctionTCP/IP,UDP,DHCP,IP Filter,PPPOE,FTP,DNS,DDNS,NTP,UPNP,EMAIL,Alarm Server ... Software for multiple DVR from different places up to 255 IP simultaneously ,but at most up to 64ch windows display simultaneously ...