digital video recorder dvr -H.264,4chs video,1ch audio - ... web server,multi-DVR client &SMS Networking access for remote live viewing,recording,playback,setting,system statu,event log,email & ... -6461AMain ProcessorHigh performance embedded microprocessor HI3515Operating SystemEmbedded LINUXSystem ResourcesPentaplex function:live,recording,playback,backup & remote accessUser InterfaceGUI,on-screen menu ...