... switch control working modle 4.CE & ROHS led light shower temperature controlRC-A1 1,As the built- ... connets to water, LED will emit the light.2, When water flows down, the LED will light instantly an automatically ... other power connets to water, LED will emit the light. 2,The light can change one color every 3 ... any other power conneted to water, led will emit the light,1,As the built-in device ...