1,RoHS & CE
2,high quality
3,OEM offered 

1,As the built-in device generating electricity without the battery and any other power connets to water, LED will emit the light.                                                                                      

2,When water flows down,the LED will light instantly and automatically by the water temperature;
A. When the water temperature is ≤30c, Blue will show automatically;
B. When the water temperature is between 31c~41c,Green will show automatically
C. When the water temperature is between 42c~45c, Red color will show automatically;
D. When the water temperature is ≥46c, RED color will flash automatically.

1.Self powered by water pressure--No battery or other electricity required.

2.When water flows down, the LED will light instantly and automatically .

3.we gained high reputation with the good quality and best service from the customers .

4.Brightness is such enough even no other lighting fixtures need .