This shower head uses LUV current limiting technology and advanced laser drilling technology which makes the outlet holes much thinner and denser, increasing water pressure while saving water compared toa regular shower head. The 3 layers of mineral filter beads inside the shower head act as a highly effective built-in water purification system. The pearls can effectively remove residual chlorine, heavy metals, rust, odor, bacteria and many other harmful substances, and thus provide cleaner and healthier shower water. Additionally, it comes with 3 spray modes.Each shower mode has different water volumes and water pressures to meet the personal shower preferences of your entire family. If you have any questions please contact us promptly