With the Litter-Robot 4, you no longer have to scoop litter, neutralise litter box odours and provide your kitty with a clean litter bed every time. The sleek Litter-Robot 4 provides maximum convenience for cats of all sizes and features advanced litter-sighting technology, reduced litter tracking and real-time litter and litter monitoring via the Whisker app. Join 1 million pet parents who have transformed their lives with cats. Never scoop again. Dramatically reduce litter box odour. Minimise litter tracking with the included grate (size may vary) and step. Monitor litter box usage directly from your phone. MultiCat design suitable for up to 4 cats.