SAFE and BEAUTIFUL: automatically change red /green / blue 3 colors, let the experience into the dream world, sparkling , make your mood more enjoyable. (influenced by the water temperature). HIGH WATER PRESSURE: sprayhead has tiny water holes and special structure to reach as much as 30% water-saving effect without sacrificing water pressure. (Flow rate of 6.7-6.8L/minute at 0.25 Mpa ). USE ECO ABS and PC MATERIAL : With a transparent, see-through design and high-density filter which removable for easy cleaning, Get smoother skin, reduce oil secretion, increase viability of cells, improve cleansing and prevent hair loss. UNIVERSAL FITTING : Easy installation, simply screw onto any standard shower hose easily, No batteries or wiring, 3 colors automatically changes from one color to another slowly after water flows down. ✔Specifications - (no batteries required) - Standard connection: G1 / 2 (compatible with all standard spray hoses) NOTE 1. For your health, Remove the cleaning once a month, If the hole is clogged; 2. Because of high water pressure, water storage in the shower is a normal phenomenon; 3. Water pressure is 2 times the normal.