Key Specifications
* H.264, 4 video/audio input
* simultaneous recording, playbk at the same time
* support SATA x2 or x 4 (different case)
* E-SATA backup
* flexible zoom-in at either live or playbk
* playback search by friendly visual time-line
* high quality GUI, operated with mouse
* configurable modes for scheduled recording
* recording by events or manually
* support pre-recording in event-driven recording