Home Appliances Design Floor One Cordless Wet Dry Vacuum by Hewujia,Shanghai Jiao Tong University Tineco Floor One is a wet/dry floor washer and vacuum with smart modules, which automatically detects how dirty/gritty the floor is and applies the appropriate amount of detergent, roller pressure, and suction power, to ensure the perfect hard floor clean every time. With its advanced roller design that captures excess water and dirt, Floor One roller surface is always clean and leaves the floor streak free. Tineco Floor One offers a new level of clean for all hard floor surfaces.