1.The product built-in device for mini generating electricity,illuminated by water without battery,

     the light will go out when the water was turned off.

2.The illuminated color will change according to the water temperiture.
   1).When water flows down, the LED will light instantly an automatically;
    When water temperature is ≤32℃,Green color will show automatically ;
   2).When water temperature is between 33℃-41℃,Blue color will show automatically;
   3).When water temperature is between 42℃-45℃,Red color will show automatically;
   4).When water temperature is above 46℃,Red color will flash immediately.

3. The products have excellent function in the are of water saving. In the connection of the top,

   setting a water saving and filter systems.