V15 Detect submarine, Removes spills and tough stains, Reveals invisible dust, Captures hair without tangling.washes hard floor, 125000rpm,14 cyclones,up to 60 minutes,built in piezo sensor,counts the number of dust particles picked up, suction power automatically adapts to the level of dust detected, advanced hepa filtration, capturs microscopic particles, 3 power modes,lcd screen, drip tray