1.material :solid brass or ABS or stainless steel 2.high quality 3.best price 1. material : Rina shower : solid brass or ABS or stainless steelhand shower: solid brass or ABS Faucet:brass 2.As the built-in device generating electricity without the battery and any other power connets to water, LED will emit the light. 3.When water flows down,the LED will light instantly and automatically by the ...