? Buying Tips ? ? The shower panel has a built-in valve that mixes hot and cold water, so you do not need to buy any additional valves. Please note that this shower panel is not compatible with your existing valves. ? The shower panel comes with 2 water supply hoses (NPT 1/2") that are already attached to the back of the panel. You just need to connect these hoses to the hot and cold water outlets on the wall. ? The shower panel has a square knob handle that lets you choose between different shower modes, you can only use one shower mode at a time. ? The shower panel also has LED lights that are powered by batteries. There is a red button on the side of the panel that you can use to turn the lights on or off. Shower Panel Size ? Shower panel Height: 46.5" (bottom to top of panel) ? Shower panel Width: 7.8" (left to right of panel) ? Shower panel Reach: 19.5" (wall to furthest point of panel) After-Sale Service ? We offer a 5-year quality warranty for this product (scratches not included). We also provide lifetime technical support and free replacement or refund within 5 years if you encounter any problems with the product. ? If you have any questions or feedback, please contact us and we will reply to you within 12 hours.