1.No batteries,no wires needed. 2.Colour changes according to the temperature of the water running through it! 3.Showerhead changes the colour of the water coming out using built-in LED's. 4.Low flow,water conservation with a unique fun&soothing experience. 5.The showerhead handle connects directly into your shower pipe. 6.Shower head lights up jets of water using the multi-coloured LED and visually indicates the water temperature by the colour.The water flow will turn PURPLE if the water temperature is under <32℃,RED for burning if the temperature is over 45℃ and BLUE if the water temperature is between 33℃-41℃. 7.However,only the built-in LED's enthusiasts will be atteacted by this innovative Shower Gizmo.