The Clean Base Auto-Fill Dock empties debris for up to 60 days and refills liquid for up to 30 days for autonomous cleaning that outlasts the competition. And, it's compatible with more cleaning solutions than any other 2-in-1. See here for a list of compatible cleaning solutions. Unlike other 2-in-1s, its Auto-Retract Mopping System lifts itself to the top of the robot, preventing wet carpet messes. On hard floors, it vacuums and mops at the same time. Dual Multi-Surface Rubber Brushes, an Edge-Sweeping Brush, 100% stronger Power-Lifting Suction, and back-and-forth pressure mopping combine to keep every corner of your carpets and hard floors fresh. Shoes in the hall, charging cords in the den, or towels on the bathroom floor your robot steers and cleans around them all. Crafted from premium materials, the Clean Base dock integrates into your decor and can be a surface to set things on. Thanks to thoughtful design, this docking base is the quietest yet so it's less disruptive to your h