Double suspension increase Front and rear dual assistance, single handed silk joyful surface wash Double-chain design Flexible delivering all directions, front, back, left, and appropriate Double roller brush The front and rear brushes wipe the floor on the same time, doubling the cleansing functionality Double spray Front and rear independent spraying system, entrance and rear curler brushes wash the floor at the identical time All steel gears Power stays safe and undamaged for 3 years Double floating scraper No water stains at the ground* Double the lifespan of rolling brushes Double-pass deep self-cleaning Strongly clean pipes and rollers. 55C+bilateral hot air drying Ensure that the rolling brush stays fluffy as before