... record, playback, backup, network transmission,, mobile phone surveillance5. Support backup with USB Flash Disk, Movable hard disk, USB writer ... hard disk, USB Writer ,NetworkRecording file PlaySpecial player, Support AVI file format conversionAlarm input/output16 channels input, 4 ... storage)HDD storage remarkSupportNetwork and Protocol1 RJ-45 10/100M,support TCP/IP,PPPOE,DHCP,DNS,DDNS,NTP,UPNPIE ...