Water temperature :  < 32 degrees - Green light 

Water Temperature :  33 degrees < Blue Light < 43 degrees 

Water Temperature:  >44 degrees - Red light 

Attention: When water temperature is  above 55 degrees the Red light will Flashing for Warning. 

NO need Electroc Power !!

NO need Battery!!

JustTurn on your Shower Faucet!! 

temperature controlled LED hand shower:

v1.For LED shower head,no batteries needed;1-function.

2. When water flows down, the LED hand shower head will light instantly and automatically; 3.hydroelectric power

4.Casing material:ABS,ACRYL

5.Model No: H10102  LED

6.three color change by temperature

7.With high quality chrome