This Thermostatic Shower System,Thermostatic design, no need to adjust temperature hardly each time.he 38°C safety lock keeps the water at the desired temperature, avoiding scalding, without every adjustment, more convenient to use, safe and durable. Provides a safe and comfortable shower for your family. First handle is: water diversion ,you can choose water come from shower head,body jets,handheld showerhead or tub spout(can not both together) Switch the first knob to turn on the shower head, body jets, handheld shower head as you like. Only use one function at a time. Rotate the second on/off knob to turn on shower and adjustable water flow. .Second handle is: on/off.Third handle is : temperature adjust 38degree(100F).Shower head,Made with highest quality Solid copper.Keep the flow rate 2.5 GPM,Effortlessly provides superior water pressure.LED Shower head no electricity needed,shower head is powered by water - Large enough to cover your body in the shower. LED adds romance or relaxion to your bath time and color changing with water temperature. Safe to use and no need battery.High quality brass material,2"(50mm) diameter size,Up/down/left/right rotation direction,6 pieces body jets combination,adjust the corresponding parts according to your requirement,Enjoy a Full-Body Shower,you can shower from all angles and enjoy an invigorating,which can let you feel the home spa experience. Function: 3-Way Shower Faucet Finish: Black Shower Head Size: 16x32 inch Number of Handles: 3 Handle Valve Type: Thermostatic Valve Faucet Body Material: Brass Faucet Spout Material: Brass Shower Head Material: Brass Hand Shower Material: ABS Plastic Shower Hose Length:150cm(59inch) Connection:G1/2 standard Water Flow:1.8GPM(6.81L/min）