LED lights are powered by running water, no batteries ever needed. 7 vibrant LED colors change automatically every few seconds, gradually blending into one another. 4-setting 4-inch Face Shower Head features features Hydro Supercharged Turbine LED, Air Jet design that maximizes your water pressure output performance by injecting oxygen into water flow through 48 elastic rub-clean nozzles that help prevent clogging. Four settings include: Rain, Massage, Rain/Massage mix, and water-saving Economy. High-power 3-zone Dial with Rub-clean Jets & Click-action Lever. Color of LED lights - 7 colors change automatically every few seconds