Low flow, water conservation with a unique fun & soothing experience. Brightness is such enough even no other lighting fixtures need. Transforming the stream of water into a beautiful waterfall of light. LED lights are powered by built-in hydro generator and change color with water temperature. no batteries ever needed, extra-large 5 inch chrome face with reflective perimeter rim, 5-setting angle-adjustable shower head, 3-color-changing water temperature sensor.