... 4CH audio inputs.It can support TV, VGA, Alarm, PTZ and USB Record. Name :CCTV DVR4004Feature: ... Playback, Backup & Remote access)Control Mode Front panel, USB mouse, IR remote control, Keyboard, Network Video Input ... , Full screen, Backup selectionBackup ModeFlash drive/USB HDD/USB CD/DVD-RW/Network downloadNetworkInterfaceRJ-45 port( ... cctv dvr H.264,support TV, VGA, Alarm, PTZ and USB Record.dvr 4004