Rozin Bathroom 2-way Shower Set LED Light 10 Inch Rainfall Shower Head with Hand Spray Wall Mount 2-way Mixer Valve,Diverter switches between top rain shower and hand spray,either one works or the other Cold and hot water mixing,single handle on/off opearation,diveter knob 10-inch Sqaure Rainfall Showerhead,14.5-inch long shower arm,LED works by water flow,no battery is needed 1/2" Standard connection,with thread adapters Rozin provides any replacement in future use,so contact unhesitatingly once you have any problem