... useful function in market at the moment3- with own free DDNS server=>avoid login in dyndns DDNS website, easier access to ... /IP, UDP, DHCP,DNS, IP Filter, PPPOE, Email, Alarm Server, uPNPRemote OperationMonitor, PTZ control, Playback, System setting, File download, ... ) Fast delivery: usually within 5-7 business days since payment arrived. New Arrival 4CH Digital Zoom D1 DVR With Free DDNS Server