The Roborock Saros 20X is engineered to master every home enviornment. The new AdaptiLift Chassis 3.0 conquers 4.5 + 4.3 cm thresholds. With StarSight Autonomous System 2.0, it maps faster, positions more precisely, recognizes obstacles with greater accuracy, and also slides into lower spaces. With its triple liftable structure, dual anti-tangle system, and the brand new RockDock, smarter, hands-free cleaning becomes effortless. | Roborock | | Saros 20X Thin, Self-Lifting Robot Vacuum and Mop , 36,000 Pa Suction Hyper Force and Multi-Fuction new RockDock | Black | Best Buy