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 an
automatically;
A、When water temperature is ≤*2℃,Green color will show
automatically ;
B、When water temperature is between *3℃**1℃,Blue color will show
automatically;
C、When water temperature is between *2℃**5℃,Red color will show
automatically;
D、When water temperature is above *6℃,Red color will flash
immediately.
3. This item will change its color by detecting water temperature.
