According to tests, cleaning a 200sqm house takes 100 minutes in the traditional way (55 minutes of sweeping + 30 minutes of mopping + 15 minutes of mop washing) or 75 minutes with regular vacuum cleaners (30 minutes of vacuuming + 30 minutes of mopping + 15 minutes of mop washing). It's Redkey's responsibility to meet customer needs. Finally, after a year of research and development, there was the Redkey W12 wet and dry vacuum cleaner. Wet and dry vacuum cleaner is the combination of the vacuum cleaner, electric mop, and mop