1.4ch stand alone dvr 2.1D1+3CIF H.264 100/120fps record ... quality and smaller storage size--Windows style GUI, controlled by mouse/panel and remote control, easy to use--Over 10 languages supported ... sub-stream for network transfer.Operation InterfaceGUI,support mouse,panel,remote control operationVideo StandardPAL,NTSCVideo CompressionH.264Audio CompressionADPCMRecording ModeManual,Timing,Alarm ...