... real-time high compression, support dual stream network transmission.Support Wifi and IR extend to 5~25MSupport CIF realtime and D1 ... ,PPPOE,FTP,DNS,DDNS,NTP,UPNP,EMAIL,Alarm Server,ARSP,Wifi,3G.Support backup & upgrade with USB flash disk.Perfect support ... ,PPPOE,FTP,DNS,DDNS,NTP,UPNP,EMAIL,Alarm Server,ARSP,Wifi,3G IE Remote PreviewIE(need Manual Installation), NetView, CMS NetworkRJ ...