Petkit Puramax 2 Automatic Self-Cleaning Litter Box Bundle

In short, I like the design of this Petkit Puramax 2 vs most other auto boxes. I would recommend this unit; it works well as long as it has a hard surface underneath for the weight sensors. We put a thick piece of cardboard under ours on carpet. The verbose detail: We had been manually scooping for years, and my wife was skeptical of the cost of the machines. At $299, it was not a steep investment to try and seems to have fewer parts to where out. For example, when considering the popular Whisker Litter Robot, I was concerned about the globe liner that costs $80 to replace. The app is fairly intuitive, and I didn't have much trouble connecting to the network, though ours has both 2.4 and 5ghz. Our cat is 14 pounds and has been accustomed to a much larger cabinet space, so we weren't sure how he would take to this. He ignored the Petkit unit until I moved it directly next to his old litter box cabinet and then blocked off the access to the old unit. After a few days, I moved it to it's preferred location on another floor, and he continued to use it, but the app was saying that it wasn't being used. Each day, I would get alerts telling me that it wasn't being used, but we could see activity and run a manual cleaning. It occurred to me that I had put it directly on the carpet, and the weight sensors were not sensing the cat; the instructions do say it needs to be on a hard surface. A thick piece of cardboard was enough to allow for a sturdy surface; a piece of wood might be better. The design of this Puramax 2 utilizes a ramp in the back that dumps into an open bin on the side. It works very well in it's simplicity, but I was at first wondering if the odors would escape the bin. My wife is very sensitive to fragrances, and she did not like the auto sprayer and fragrant cube designed to placed above the bin, so she removed both of them. Even with them gone, I don't sense an odor coming from the unit. I changed the app setting to sift the litter 4 minutes after sensing activity to give more time for clumping, and it all seems to work well. We use Chewy's Frisco Cat unscented clay clumping litter, and it works great. It's so much easier for us, and we suspect that our cat appreciates having freshly sifted litter each use.