Fully Independent Self Navigating and Self Cleaning Robot, Lidar & SLAM with RT2R Tech, Pressure Mopping to Clean Stubborn Dirt & Stains, Creates & Remembers Maps of upto 3 Floors, Retractable Side Brush for Corners & Difficult Areas, World's Largest Dual Water Tank, Smart Laser Navigation, Scans 6*360 Degree/Sec 2160 Time/Sec, NIDEC Brushless Motor, Which has 2200Pa Suction Power.