This innovative Floor Mopping Robot is an effortless way to keep your floors gleaming. Easy to use, you simply attach a cloth and at the press of a button the iRobot Braava 390t will start cleaning multiple rooms using its intelligent North Star Navigation System to work its way around your house. Offering excellent cleaning flexibility it features two modes - Dry or Damp - to mop your floors and reveal their natural shine and it can be put to work on almost all hard-surface floors, including tiles, vinyl, hardwood and laminate. The dry mopping time is up to 3.5 hours and damp mopping up to 2.5 hours, giving you plenty of time to tackle all those important areas, while its whisper-quiet operating noise level means that you'll barely even know it's there! Thanks to in-built smart technology it retains a map of its cleaning space while powered so that you can replace the cloth mid-cycle without worrying about any spots being missed, and when finished it will return to where it started an