Top LCD Screen robot vacuum cleaner Factory. This model has 4 cleaning functions including Sweep, Vacuum, Dry Mopping and Sterilize , it can easily handle various surfaces including hardwood, tile, linoleum and low-pile carpets. The operating noise is no more than 50 dB, which is significantly lower than the traditional cleaners. With its sensors, the cleaning robot can free itself when it is got stuck by the bottoms of the furniture and by other articles.