What do you think about this?

I seen this in an ad for a local house for sale. I didn’t understand it, so I did a search and they make under sink dishwashers for space saving. I can’t find much info on it. Has anyone inspected or seen this set up?

http://products.geappliances.com/MarketingObjectRetrieval/Dispatcher?RequestType=PDF&Name=31-31548-2.pdf

Thank you.

Same as a regular dishwasher just different shape tub.