Description: - Temperature Control: Built-in hydroelectric power generation system, no battery or e*ternal power supply is needed. The LED will light up when the water source is connected;  - Colorful Glare: the principle of RGB three primary colors, the new color is Mixern changes every 1-3 seconds to form a colorful effect;  Specification: Case Material:Eco-friendly ABS;  Surface Treatment:Electroplating;  Installation Interface:1/2 Inch;  Feature: * Self-powered Active No batteries, no wire needed. Self-powered by enough water pressure only, more efficient and more safe;  * Color-changing Automatically 7 color-changing are displayed circularly and gradually when the water runs through. (NOT affected by water temperature), a dream bathing for you;  * Bring Fun Let your kids love shower. LED lights change color turning ordinary showers into invigorating fun for your entire family;  * Create Romantic Atmosphere Colorful light array can be great for perfect mood with the special person in your life;  * Convenient and Durable ABS durable material, subtle screw. Easy to install by yourself, without any other assistant accessory and fits all standard connectors;  Packing Include;  1*LED Shower Head(Not include hose and shower holder)