China Plastic and Rubber Industry Exporter Companies

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 ≤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℃-45℃,Red color will show automatically; D、When water temperature is above 46℃,Red colo