1.No batteries,no wires needed. Hydro-electric power.

2. When water flows down, the LED will light instantly and automatically;

     A. When water temperature is ＜35℃, Blue color will show automatically;

      B. When water temperature is between 35℃～43℃, Warm-white color will show automatically;

     C. When water temperature is between 43℃～50℃, Red color will show automatically

      D. When water temperature is above 50℃, Red color will flash

3.Three Functions: Full Spray ,Massage, Aerationimmediately.

4. Mixing light with water,people can be bring into a  dreamlike world  from the light-wave shower,especially attract the children.

5. A.Environment-protecting, no battery required

    B. Safety , no extension wire, low voltage, only 6V

6. Easy to install and  replace

7. Elegant design, protected by patent.