Home Surveillance Video CCTV DVR system 1.expandable up to 8TB SATA HDD ... on PC and 3G 3.dual stream network Home Surveillance Video CCTV DVR system 9624 CCTV DVR IR Remote Control - Support ... ,IP Filter,PPPOE,FTP,DNS,DDNS,NTP,UPNP,EMAIL,Alarm Server,ARSP,Wifi.PTZ cameras supported (RS485)Record on motion detection ...