Rozin Bathroom 2-way Mixer Shower Faucet Set 12-inch LED Light Rainfall Showerhead + Handheld Spray Oil Rubbed Bronze 2-way Mixer Valve,cold and hot water mixing,complete with mounting fittings Diverter switches between top rain shower and hand spray 12-inch Square 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