E821 2014 hottest LED top spraying free power with Temperature Sensor version and seven revising version two functions (Temperature control version) Showerhead with built-in LED lights - no batteries or wires needed. Temperature Sensor version:according to the temperature change color, different range of water temperature display of three different colors. Seven revising version:seven color free transform,very beautiful Beautiful colors and ambient lighting enhance the mood in the shower. Made of ABS