network dvr software Realtime standalone 16CH Video Input, 4CH Audio Input 1SATA HDD, Max 2048G 4-CH Alarm input,1CH output h 264 network dvr software ModelBSD-6504VSystemMain ProcessorHigh performance embedded microprocessor HI3515Operating SystemEmbedded LINUXSystem ResourcesPentaplex function: live, recording,playback,backup & remote accessUser InterfaceGUI,on-screen menu tipsDisplay1 or 4 ...