... playback, backup, network transmission,, mobile phone surveillance5 Support backup with USB Flash Disk, Movable hard disk, USB writer, ... channels input, 4 channels outputPre-alarm Recoding10 SecondsAction with AlarmSupportEmail AlarmEMAIL Send pictures to the designated emailSPOT Alarm ... remarkSupportNetwork and Protocol1 RJ-45 10/100M,support TCP/IP,PPPOE,DHCP,DNS,DDNS,NTP,UPNPIE BrowserSupportClient ...