Sealed and leak proof structure:Water Reservoir no leakage when placed, no overflow when tilted. Using it is more reassuring. Accurate water output:Water Tank The water output is uniform and stable, with moderate dryness and wetness during wet dragging, suitable for a variety of surfaces. Easy to maintain:Water Reservoir Cleaning is simple and convenient, rinsing can restore cleanliness, reducing daily maintenance troubles, saving time and effort. Reasonable weight ratio:Water Tank After adding water, hold it in hand for balance, clean the arms for a long time without soreness, and improve the comfort of use. Time saving household chores:Water Reservoir No need to frequently fetch and pour water, greatly reducing cleaning time and making daily cleaning easier.