7 colors are displayed circularly and gradually when water flow (the light colors are NOT affected by water temperature). Offers you delightful bath and wonderful experience.Shower head changes the colour of the water coming out by using built-in LEDsThe LED Shower Head is hydro-powered， but the user needn't worry about if it will be leakage of electricityThe shower head handle connects directly into your shower pipe(20mm)��And the use can also feel the romance in colorful world and enjoy the LED light Spa TherapyProduct Description: Material: ABS Finish:Chrome Style: Contemporary LED quantity:3 Connection Standard: G1/2 Specification: Features:LED Material:A Grade ABS Shape:Round Finish:Chrome Port:20mm Standard 1/2 inch connection (compatible with all standard shower hoses with size) LED Power Source:Waterflow(not need battery) Package included: 1 x LED Shower HeadSize: Big 26CM * 8CM ， Small 22CM * 6CMItem Weight:1.4 pounds