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

3.Don’t need battery and the power cord; connected to water after a Faucet Light spraying water at the moment will be issued by the gradual  change in differentcolors light ;

4.Two Universal adaptors (included) fits most water faucets

7 COLOR LED Faucet Light(Gradual Change)