The Roomba Combo® j5+ vacuum and mop is designed to clean both wet and dry floors, transforming our most popular Roomba® j7 vacuum into a vacuum and mop system with the simple addition of a bin. Simply insert the Roomba Combo™ bin and the robot will automatically detect when it's time for a combined cleaning. Spend less time worrying about your floors and more time enjoying the clean you deserve. The innovative thinking you've come to expect from iRobot now gives you twice the cleaning power with just one robot.