... controll, IE browse 4CH DVR H.264 compression, dvr recorder support SATA4CH, M-JPEG compression, support SATA HardDisk, USB ... SystemEmbedded LINUXSystem ResourcesPentaplex function:live,recording,playback,backup & remote accessUser InterfaceGUI,on-screen menu tipsDisplay1/4VideoVideo StandardsPAL 625 ... CompressionG711ABidrectional TalkSupport 4CH DVR H.264 compression, dvr recorder support SATA