Bluecell Silver Color Temperature Controlled Color Changing LED Shower Head For Bathroom
1,the inner designed high-tech waterpower device,no need for the battery,it will light up when the water flows! 2,it will light up to be green when the water temperature is less then 32 degree, light up blue when the water temperature is between 33 and 41 degree.when the temperature it's between 42 and 45 degree, it will light up to be red.