Exactly what I was looking for!  It works perfectly.
It took just a few minutes to install, but it did take almost all day to get the cabinet ready-I had to install a sidewall before I got going.  The lift system works great and does exactly what I expected.  The in-box instructions did not take me on a grade-school walk-through, but rather they had drawings, measurements, and what must happen, and I really liked that.
This is not for a beginner, but if you have a cabinet with no drawer, that is 12 wide with solid walls on both sides, it is pretty easy to do at that point.