SPECIFICATIONS: Video Input 4 channels/card Display Rate 120 fps (NTSC) 100 fps (PAL) Compression Format soft (MPEG-4) compression Compression Spaces Rate 40-180M/h/ch System Support 24channels/6cards Alarm Function 4ch input, output/card Alarm Record Yes PTZ Control Yes Operating System Support Win2000/XP FEATURES: Multi-task: simultaneous monitoring, recording, playback, remote monitoring. 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. Operating interface: English, Simple Chinese, Traditional Chinese(Big5)