... microprocessorOperating SystemEmbedded LINUXSystem ResourcesPentaplex function: live, recording, playback ... Regular(Continuous), MD(Video detection: Motion detection, Camera blank, Video loss), Alarm), StopRecording ... Next camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoomBackup ... backupRS232Dahua keyboard, PC communicationRS485PTZ controlEnvironmentalPower SupplyDC12V ...