It's a full version which when installed works perfectly with my existing Spyder2 serial number. ie upgrade for FREE

Spyder2 Pro gives you more control over black and white luminance as well as:
" This update includes the full Spyder2PRO 2.0 software version which allows users to calibrate LCD and DLP projectors as well as CRT and LCD monitors.
- Allows for computer-driven LCD & DLP multimedia front projector calibration
- Reduced read time for LCD display calibration"
Download here
http://www.colorvision.com/sup_dl-upgrades.shtml
Spyder2PRO 2.0 Installer
Ray