Stop scooping cat litter, neutralize odors, and give your cat a clean litter bed every time with Litter-Robot 4, the highest-rated automatic litter box on the market. Elegantly designed to maximize comfort for kittens and large cats alike, Litter-Robot 4 features cutting-edge litter-sifting technology that separates your cat’s waste from the clean litter after each use. Reduce litter tracking, and monitor litter and waste levels in real-time with the Whisker app. Stay on top of your cat’s health with smart insights about your cat’s weight and litter usage. Never scoop again® Drastically reduce litter box odors Monitor litter box usage and track weight in app Best litter box for multiple cats: one supports up to 4 cats Includes a fence, step, and carbon filter Add a Carpet Tray to use Litter-Robot 4 on any surface