The feeder is released in 2 forms, a simple version, and a Froogle version.

The Froogle (now called "Google Base") Version

This is as above, but it has a few more attributes, allowing you to submit all of your products for FREE to Google Products System called Froogle or Google Base. There are also many other sites where you can use the same feed to upload to them directly.
Click Here to download this version

The simple RSS version

This only has the Product Title, and brief description of the product. it is used for people who want to keep a track of products within a certain site, using an RSS reader.
Click Here to download this version