Buy on Amazon : http://www.amazon.com/gp/product/B003TL6SFI?tag=catfoodrevi0a-20
Digital Watchdog VMAX4500G 500 GB Stand Alone VMAX 4 Channel DVR
Advanced H264 Linux Embedded DVR
Pentaplex-Live Playback Recording Back Up Network
E-mail Event Notifications
One-touch video backup and one-touch reverse playback
Supports Blackberry iPhone and 3G phones and compatible with Mac or PC
