(1)Single color.
(2)Mutiple colors.
(3)Temperature control.

1.NO battery is needed;
2.When water flows down,the LED will light instantly and automatically;
A.When water temperature is≤32℃,Green color will show automatically;
B.When water temperature is between 33℃-41℃,Blue color will show automatically;
C.When water temperature is between 42℃-50℃,Red color will show automatically;
D.When water temperature is between ≥51℃,Red color will flash immediately.
3.This item will change its color by detecting water temperature.