NeverTouch™ Pro Base: After every clean, the robot returns to the base, automatically empties debris into its 60-day-capacity bin, refills its water tank for up to 30 days, then washes and dries the mopping pad. PowerDetect™ Cleaning Technologies: Five powerful cleaning technologies help to target hidden debris, stuck-on stains, edges and to optimize cleaning for every floor type, handling the toughest cleaning challenges.