No more litter scooping for you! The LitterMaid Multi-Cat Automatic Self-Cleaning Litter Box contains a motion-sensor that determines when you cat enters and leaves the box as well as extra-high side walls to keep litter within the box and off the floor. The strong, durable rake can be removed for simple cleaning and waste receptacles are easily replaced and kept sealed to contain odor, while carbon filters absorb the odor to further reduce smell. .