Review on Upgrade Your Shower: Rainfall 12-Inch LED Shower Head With Overhead Spray In Sleek Black by Carl Durant

Works very well. Would be nice if it was adjustable though. Blue color when you turn it on, then eventually turns to green which means warm water, if you adjust it a little hotter it turns to red. If it is flashing red, it is way too hot and not safe. If it flashes between green and red, just means it might be a little warm for some with sensitive skin. I personally like it a little hotter, so mine is usually red. We put this in along with regular shower head for two separate (one above) and works flawlessly. Have been using for past month and no problems at all.