... Entry Level DVR400 Series 4ch Network DVR/ dvr alarm system H.264 video compression, G.711 audio ... With built-in web serverControlled by front panel/remote controller/mouse;Graphical user interface design, easy ... F1Main ProcessorHigh Performance Embedded MicroprocessorOperating System Embedded LinuxSystem ResourceLive, Recording, Playback, Backup, Remote AccessVideo/Audio InputVideo16 ChannelBNC, ...