What is AVI?

SurveillanceWeb.com
AVI, as defined by Microsoft, stands for Audio Video Interleave.  AVI is the most common format for audio/video data on the PC. AVI is a de facto (by fact) standard.
 Works with RealPlayerTM  and Media PlayerTM
Windows Media 9 Series

AVI file formats utilizing the latest  MPG4 and Compression Technology are used with DVR Servers. These formats are saved to the server can be distributed via computer networks, email, ftp and removable media.

Better than VHS because of ease of distribution to police, insurance and legal people. You keep your evidence instead of having only one VHS copy !

And you never have to remember to change the tape! The system is fully automatic!