... multi-DVR client &SMS Networking access for remote live viewing,recording,playback,setting,system statu,event log,email ... performance embedded microprocessor HI3515Operating SystemEmbedded LINUXSystem ResourcesPentaplex function:live,recording,playback,backup & remote accessUser InterfaceGUI,on- ... /movable HDD/SATA HDD/DVD-RWInterfaceVideo Input4channelVideo Output2 channel TV output BNC,1.0Vp-p,75Ω,1 ...