Dreame L20 Ultra Robot Vacuum And Mop Black In-Depth Edge Cleaning: Equipped with a Position Sensitive Detector, L20 Ultra identifies edges and corners and the Mop-Extend assembly extends the mop automatically for deeper, closer, corner-to-corner cleaning even in complex house environments. Extensive automation. Detailed clean: Take detailed cleaning to a whole new level with L20 Ultra, a fully automatic robot vacuum and mop that cleans floors and cleans itself, providing an extraordinary cleaning experience like never before. Our Most Advanced and Powerful Suction System Ever: Hair, dirt, dust, and other debris have nowhere to hide. Dreame's advanced Vormax Suction System packs with 7,000Pa of suction to optimize vacuuming efficiency to pull household debris out of the home. Fully Automatic Base Station: Automate your day-to-day cleaning and come home to just-cleaned floors that smell good and feel good with a fully automatic base station that combines dust collection, mop washing and drying, water, and solution adding. More Insight and Intelligence: Pathfinder Smart Navigation, AI Action, and 3D Structured Light Obstacle Avoidance System combine to thoroughly learn your home, identify up to 55* types of objects, and deliver comprehensive automatic cleaning.