Meet Litter-Robot® 4, a totally redesigned version of the highest-rated cat automatic litter box. Reimagined inside and out, Litter-Robot® 4 is the next generation of our revolutionary self cleaning litter box. Our smart, sifting litter box for cats is quieter, sleeker, and provides a fresh bed of litter after every use while reducing litter tracking and litter box odors. With a similar size than a traditional large litter box, Litter-Robot 4 fits even in small apartments or homes and is super easy to install and clean. No need to make space or elaborate installation plans. With an all-new design engineered for multiple cats and enhanced app-connected smart features, Litter-Robot 4 offers unmatched cleanliness and cat litter box odor control while helping you keep your cat healthy and happy with a fresh bed of litter after each use. Thanks to the included carbon filter and fully-sealed waste drawer, Litter-Robot 4 efficiently reduces litter box odors. Add optional OdorTrap® Packs to the integrated holder for enhanced odor control. QuietSift™ technology makes for super quiet operation, benefit skittish cats, and won’t wake you up at night. Made by pet parents for pet parents, this innovative self-cleaning litter box features our patented SafeCat® system, ensuring accurate cat detection and enhanced safety for kittens 3+ lbs. Use any clumping cat litter and regular trash bag or dream big—add some of our custom Litter-Robot accessories. Join 1 million pet parents who’ve upgraded to a smarter automatic litter box. Many cats acclimate to Litter-Robot within a week. If only they could talk, they’d tell you how great Litter-Robot 4 is. Compares to Cat Genie, Litter Maid, PetSafe ScoopFree, Smart Scoop, Petato Footloose, Simply Clean, iKuddle, Lulupet, ChillX, AimiCat, Circle Zero, and More. Our customers find us by searching for self cleaning litter box, automated litter box, automatic litter box, smart litter box, robot litter box, electronic litter box, self scooping litter box, and more.