The article reviews the Litter-Robot 4, a $699 self-cleaning litter box, to determine if it is worth the high price tag. The Litter-Robot 4 is praised for its innovative design and ability to automatically sift waste into a separate compartment, reducing the need for manual scooping. The article discusses the device's features, such as a waste drawer indicator light, a night light, and a control panel for adjusting settings. The Litter-Robot 4 is also noted for its quiet operation and ability to accommodate multiple cats. Additionally, the article compares the Litter-Robot 4 to other automatic litter boxes on the market, highlighting its larger size and durability. Overall, the review concludes that while the Litter-Robot 4 is expensive, it provides convenience and efficiency for cat owners, making it a worthwhile investment for those willing to pay the premium price.