I was skeptical that this thing would actually work but needing a new shower head and being curious about it prompted me to buy it. I was not disappointed;it lights up blue when the water is cold, goes to green as the water gets warmer and finally it hits red for hot water. The shower head has a nice spray too, with several other spray settings to choose from.
Like most fixtures these days, not metal, plastic made to look like metal (hence be careful when using tools to install). I love how the LED lights change according to the temperature of the water (blue for cold, green for warm and red for hot).
Blue....green....red! I like this produced. Turn on the shower and wait for your desired temp. The little screen I side of it kept moving around when I first put it on and water came from the back of it. Messed around with it a bit and fits fine now.
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