Efficient Cleaning: With a powerful 500W motor, this mattress vacuum generates a suction power of 13Kpa and a main brush that rotates at a speed of 13,000/min. It effortlessly removes dust and pet hair. Smart Dust Recognition: The smart dust sensor technology automatically calculates the amount of dust on the bed, and presenting a precise dust index and cleaning status. When the cleaning status light turns green, it indicates that the cleaning has been completed.