This solid brass, chrome finish showerhead comes with a handheld shower, six massage jets, and three handle mixer. Square rainfall showerhead is available in four sizes to best suit your shower size. The mixer provides water pressure, on/off and thermostatic valve to ensure you get the shower experience you want. Built-in hydro-powered device powers the LED lights, which provide visual shower temperature cues to reduce water waste. The lights will dim and brighten when you lower and raise the pressure so you can set the perfect mood, water, and lighting. When the water temperature is ≤89 °F (≤32 °C), the Blue color will show automatically. When the water temperature is between 97 to 107 °F (36-42 °C), the Green color will show automatically. When the water temperature is between 109 to 122 °F (43-50 °C), Red color will show automatically. When the water temperature is above 122 °F (>50 °C), Red color will flash immediately.