Specifications: No battery is needed, water powered. LED light, bring a dreamlike world by mixing light and water. It also provide you with a unique fun and soothing experience. Light color of the temperature control 3 color type is changing according to the water temperature. The single color type has only one light color(random color from blue, green, red). And the multicolor in circle type makes the color change in circle automatically. Motor: high-speed magnetic motor is used to ensure that the generator is normally driven under normal water pressure for the bright LED to emit light normally. Inner core: the inner core part is a fully enclosed advanced structure, ensuring long-term contact with water without rust, ensuring high working efficiency and stable working state of the motor. Type: LED Faucet Head LED Power Source: Water Powered Features: Easy to Install, Water Powered, Eco-friendly, Water Nozzle Length: 3.5cm/1.37" (Approx.) Outer Diameter: 2.4cm/0.94" (Approx.) Notes: Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x LED Faucet Head