4. Six cleaning modes to meet cleaning needs. Free sweeping; Bow shaped cleaning; Third: Fixed point surround expansion cleaning; Fourth: Yanbian cleaning; Fifth: mopping mode; Sixth: Manual cleaning 3. 12000R click speed and 2800PA hurricane suction 1. 2800pa powerful suction, 2000mAH large capacity battery, remote control operation, APP intelligent , 55 dB silent operation, charging for 3-4 hours, efficient operation in 90 minutes 2. Remote control button description: 1: Forward; 2: To the right; 3: Step back; 4: To the left; 5: Switch pause, one click , automatic cleaning mode; 6: Mode switching button: , the default free cleaning is when starting up; Second: Bow shaped cleaning mode; Third: Fixed point surround expansion cleaning mode; Fourth: Yanbian cleaning mode; Fifth: mopping mode; Sixth: Manual sweeping mode; 7: Timing function 5. Large water tank and dust box, with no pressure for large and small units. 300ml vacuum box, 150ml large water tank, wet towing range of 200 square meters. Intelligent anti drop, 4.5cm ultra-thin body. Suitable for multi clock flooring materials: wood, marble, ceramic tiles, etc