Features : Light up your shower time with this shower head Turn down the lights and this shower head will transport you to a discos-like rainbow-colored cascade. Great for the kids too; Makes showering more enjoyable and fun No battery or power line; LED light will light up when you turn on the tap; activated by water pressure and turns off automatically when water is shut off 2 types optional: A-7 colors (red, orange, purple, blue, green, limes, yellow) that changes every 4-6 second; B-with temperature changes, three colors that changes Fit for 20mm diameter screw handle bar, easy to install. Transforming the stream of water into a beautiful waterfall of light,offer you a delight bath a wonderful experience Specifications : Case Material: ABS Main Color:Silver Surface treatment: Electroplating Size:approx20*8cm (max) Fit for:20mm diameter screw handle bar includes: 1 X Color Changing Shower Head