... 2,network 3. Audio, RS485, IE browse,15 languages 4.HDD,alarm H.264 main profile compression algorithm ideal for standalone DVR4 channels ... module by USB 2.0 portMultiple control methods:front panel,IR remote controller,USB mouseSupport 2*USB 2.0 port for ... &SMS Networking access for remote live viewing,recording,playback,setting,system statu,event loq.email & ftp functionSupport DHCP / PPPOE / FTP / ...