The special design concept of YES sprayer is from the letter “Y”. It combines ideas of ergonomics and lever principle to complete the practical function. YES sprayer has been designed to control the water flow rate by the operating strength for getting comfortable using experience; and the brief shape design could be easily combined with various interior design styles of bathrooms. The triangle shape and considering funnel shaped holder design make the sprayer stable. The 10º downward tilting design of sprayer holder allows users to place the sprayer in the holder easily.