... output 4ch audio input,1 ch audio output USB backup 4CH, H.264, SATA, Support mouse, USB, ... output4ch audio input,1 ch audio outputSupport network remote, USB backupPentaplex, support 4ch playback simultaneouslyRecording bit/ ... LINUXSystem ResourcesPentaplex function: live, recording, playback, backup & remote accessControl ModeUSB mouse, IR remote control, Keyboard, NetworkVideoInput4 channel, BNC(1 ...