This 40" square gold tone LED shower head will turn your shower into one that looks exceptional. If you already have gold tone in your bath fixtures, it makes perfect sense to invest in gold tone shower head. Just turn on the fun in your shower by simply turning on the water, the LED lights will automatically light up and set the mood. They will even change colors automatically based on the water temperature. All this with no batteries, everything is self-powered by a built in dynamo that takes advantage of the water pressure to create the energy to light the bulbs.