Features:No batteries, no wire needed.Fits all standard connectors, easy to install.The light is activated by water pressure and turns off automatically with the water.Colors are displayed automatically when water flow (the light colors are NOT affected by water temperature).Transforming the stream of water into a beautiful waterfall of light.Offers you delightful bath and wonderful experience.Ideal for bathroom to make it fantastic.Get the CE & RoHS certificates.Specifications:Case Material: ABSLED emitting color: Multicolor change automaticallyCONNECTION standard: G1/2Item size: 20 * 20 * 9.4cm / 7.9 * 7.9 * 3.7inItem weight: 610g / 1.3LbsPackage including:1 * LED Shower Head