LED rainfall shower head

LED rainfall shower head: 1.No battery needed 2.No power supply 3.Embedded dynamo 4.Rustproof design 5.This shower with CE&Rohs certificate Specification: 1.No battery needed 2.When water flow down the LED will light instantly and automatically 3.Brightness is such enough even no other lighting fixtures needed.The LED color will change automatically 4.The change of LED color will not be subjected to the temperature of water 5.With 12 months warranty 6.100% water testing before shipment