... RCAHard Disk2 SATA ports, Max 4TB HDD supportedSearch ModeTime/Date,Alarm,Motion Detection & Exact search(accurate to second)Auxiliary InterfacePTZ control3 ... ,DHCP,IP Filter,PPPOE,FTP,DNS,DDNS,NTP,UPNP,EMAIL,Alarm Server,ARSP. IE Remote PreviewIE(need Manual Installation), NetView, CMS ... (without HDD) H.264 standalone DVR network real-time mobile phone surveillance