Only if the sewage is sterile is it truly clean. Clean floors are just the minimum requirement. Constant voltage electrolyzed living water: the sterilization rate of weakly acidic electrolyzed water is 99%, and the constant pressure full-width water supply roller brush wetting rate is 100%. Imported HEPA high-efficiency filter element: dust particles above 0.1μm, isolation rate exceeds 99.99%. Gray Whale self-developed ultra-high-speed motor, cleaning power MAX: 18000pa super suction power, 550 times/min high-speed scrubbing. UV deep ultraviolet + silver ion sterilization: medical grade UVC sterilization rate is 99.99%, and silver ion inhibits bacterial regeneration rate by 99.99%. Universal power-assisted deep cleaning is effortless, light and free to turn without fear of "furniture feet" Intelligent gyroscope induction assist, feeling as light as 0.98kg Double-effect welt design, the minimum gap is 0.5cm Soft negative pressure system, clean and effortless suction Product parameters: Color classification: Gray Whale J6plus flagship version + 5-layer sterilization + roller brush anti-winding new upgrade + universal assist + full cleaning set Gray Whale J6 standard version + 3-layer sterilization + gyro load reduction + universal assist + full cleaning set Additional functions: sterilization, air drying, edge cleaning, self-cleaning mop Warranty period: 3 Power: 200W Battery capacity: 5000mAh Clean water tank capacity: 850ml Maximum noise: 65dB Speed: 520 rpm Body weight (including battery): 4.6kg Battery life: about 50min Is it smart: yes Floor scrubber type: single roller brush Electrical base station function: automatic washing cloth Maximum suction power: 78AW Sewage tank capacity: 700ml