... LED Hand Shower Color is controled by water temperature 1 Model: LS004 2 blue, green, red 3 no need power in shower ... ShowerNotification:1 No need power in shower head, save 30% water than normal shower head,2 No need other light ... in bathroom when enjoy shower with LED shower head.Specification:1 Model: LS0042 blue, green, ... , green, bule, red at the same time. LED hand Shower