▶LED Works by Water Flow,No Batteries Needed.Shower panel has a rainfall waterfall shower head, a multi-functional 3-setting handheld shower head and adjustable body jets spray pattern. Plumbing components are included, super easy install. ▶Temperature display that assist you to select the best water temperature(default 38 degrees Celsius) and can let you know the Time of the shower. ▶Shower panel allows you to turn 2 of them on at same time if you so desire, the key is water pressure, Copper shower faucet and PVC water pipe constitute the waterway ▶Shower System Water Line Connection Type: 1/2" FIP, Material: 304 stainless steel body. Copper shower faucet and PVC water pipe constitute the waterway. ▶Luxury shower panel has built-in LED temperature display, LED overhead rainfall showerhead, adjustable high-powered body massage jets, tub spout, and high-efficiency multi-function handheld shower wand, Manufacturer: SOYWIM