1)No battery needed,water pressure power

4) The inner water generator will produce the electricity to charge the LED light;

5) The LED light will change its color when the water temperature changes;

6) We make different functions for the changing of the light as customers" requirement,including single color,three colors,seven colors flashing and so on;

1.The product buit-in device for mini generating electricity,illuminated by water without battery,the light will go out when the water was turned off. 
2.this item will charge its color by time The light can change one color every 1 to 2 seconds so that the rainbow colors are showing gradually
3.Two Universal adaptors (included) fits most water faucets. 
4. The products have excellent function in the are of water saving. In the connection of the top, setting a water saving and filter systems.

11) The products have excellent function in the are of water saving. In the connection of the top, setting a water saving and filter systems.

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