The new Scooba 450 from iRobot is the only robot that scrubs hard floors sp you don't have to. Just fill in the tank with the solution , press clean and the Scooba's three-cycle Cleaning Process automatically sweeps and , pre-soaks,scrubs and then squeegees your floors. Facebook : https://www.facebook.com/pages/Technology/590281620992856 Twitter : https://twitter.com/VentunoTechTalk Youtube : https://www.youtube.com/user/Ventunotechnology A Ventuno Production : www.ventunotech.com