This is what I'd call a "starter" automatic litterbox. It is cheap and has its flaws, but it is great if you want to try an automatic litterbox without spending $1200.00 for the top of the line name brand unit. Functionally, it does the job. We have needed a roll of duct tape to hold it together since the plastic clip that holds the lid together hasn't worked from day one.
However, there is an unexpected side benefit that made this purchase worth the price alone: The entertainment value of watching our two cats watching the box do its thing! And listening to the laughter from my wife watching them experience the box! All three of them have been so mesmerized and entertained by it I would buy it even if the cats didn't use it!
So, to sumerize, before you buy an expensive top-of-the-line model, give this on a try to be sure your cat will actually use it. If they won't use it, better to waste $150 than $1200.