Usage Tips:7 color LED shower head: This light up shower head gives you a delicious and fantastic shower by transforming the stream of water into a beautiful waterfall of colors. No batteries, no wires needed: The color changing LEDs are powered by running water, no batteries required. Water temperature sensor: The color of the LED lights shower head changes automatically according to the water temperature.3 Output mode: Normal outlet, atomization spray outlet and center column outlet. Easy to install: Connects in minutes to any standard shower arm, without additional tools. Note: The data are all manual measurement, please allow 1-3cm error, due to the Light and display difference, there will be some color difference, depending on the physical object received. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.