No battery needed , just for water power
With the water temperature can change color .
good quality and fast delivery paypal

Model:D0003-1
Lighting Color:
"Blue,Green,Red, Red Flash
(According to the water temperature changing)"
LED Qty:12LEDs
Material:stainless steel
Prodct Description:

"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 water temperature is≤39°C, Blue color will show automatically;
B. When water temperature is above 40°C, Red color will show automatically; "

Packing Details:
1.Weight(N.W).:2.39kg
2.Measurement:300*300*107mm
3.Export Carton Measurement:62*35*35CM
QTY/Carton:5PCS
G.W.:25kg