Strong decontamination: Double brush discs rotate at high speed to enhance cleaning efforts, while ensuring complete recovery of sewage and keeping the ground dry. 2. High efficiency: equipped with two 9-inch brush discs for high-speed cleaning, with a cleaning efficiency of 1200 2/ hour. 3. Flexibility: The gravity steering design gives it 360 degrees of flexibility. Facilitate cleaning of floors around furniture or fixtures. 4. Long endurance: Equipped with a 12A large capacity lithium battery, it can work continuously for 90 minutes, with an ultra-long endurance 5. Easy to carry: With casters, it is convenient to tow, and the entire machine can be carried up and down stairs by one person