FEATURES: Multi-task: simultaneous monitoring, recording, playback, remote monitering. Video search: sort recorded files by year/ month/ date/hour/minute/second. Files can be played consecutively. Video recording mode: alarm trigger/motion detection/continuous recording/schedule recording/recycle recording. Event search: by events(motion, audio, call out, sensor input, relay output, video loss and alarm recording). Intelligent search: using mask to search motions from massive recorded files. Multiple playback: 1-16 channels playback at the same time. Backup mode: manual backup and schedule backup.