SAFE and BEAUTIFUL:Using water flow to generate electricity, no battery, very safe, can automatically change red / orange / yellow / green / blue / blue / purple 7 colors, let the shower experience into the dream world, sparkling , make your mood more enjoyable. HIGH PRESSURE DESIGN: The revolutionary micro nozzle technology makes the outlet holes smaller and denser, increasing the speed of the water flow, thereby increasing the water pressure. 1.6 gallons per minute At the same time saving water up to 30%. ULTRA COMFORTABLE EXPERIENCE: The water is fine dense and uniform that will take the skin feels gentle and comfortable. Multilayer filter Designed to remove impurities in water and so on. USE ECO FRIENDLY ABS MATERIAL : with a transparent, see-through design and high-density filter which removable for easy cleaning, replace the use suitable for men, women, and pets. UNIVERSAL FITTING : Easy installation, simply screw onto any standard shower hose (Hose and holder are not included ) . Can connect to any standard shower hose easily.