First there was the awesome Faucet Light and now now there is the brilliant faucet light.The LED Shower Light will make for a unique showering experience for guests and for children. 
The light will go from Neon Blue to Fire Red when the water hits the temperature (89 Deg. F/ 32 Deg. Celsius).
So the LED Shower Light will help kids know when the water starts to get hot and make showering fun instead of a chore.
Easy to install, Fits most showerheads,Satisfaction Guaranteed!
No batteries or external power source. Water flow generates the light stream.

Pretty interesting, but it’s nothing special about it. You just have some fun under your shower while you’re singing youre favourite song … makes you feel like on the stage.

LED shower light: [Via] - [Baronbob]