Rozin Bathroom 2-way Diverter Mixer Valve Shower Faucet LED Ceiling Mounted 16-inch Rain Showerhead + Hand Spray Chrome Finish 2-way Mixer Valve,cold and hot water mixing,complete with mounting fittings Diverter switches between top rain shower and hand spray,either one work or the other 16-inch Sqaure Rainfall Showerhead,10-inch long ceiling mounted shower arm LED Showerhead,LED works by waterflow,No battery is needed Rozin provides any replacement in future use,so contact unhesitatingly once you have any problem