... red,red flash 3.Inner&outer ring water flow LED shower head CE&RoHS approved Description:(Blue, green, red, ... A. When water temperature is≤28°C, blue color will show automatically;B. When water temperature is ... between 29°C~36°C, green color will show automatically;C. When water temperature is ... When water temperature is above 44°C, red color will flash immediately;4, The built-in flow ...