The Roborock Saros 20 Sonic is a flagship robot vacuum and mop designed for superior home cleaning. Featuring an ultra-high 36,000 Pa suction power and the advanced VibraRise 5.0 sonic mopping system, it delivers 4,000 vibrations per minute with 14N of downward pressure to eliminate stubborn stains. Its RetractSense LiDAR technology ensures precise navigation, while the AdaptiLift Chassis 3.0 allows the robot to climb thresholds up to 8.8 cm. The included RockDock station provides fully automated maintenance, including dust emptying, mop washing with 100°C hot water, and hot air drying. With a 6,400 mAh battery, it offers extended cleaning coverage for large homes.