This beautiful gold tone shower set is available with optional LED visual temperature cues. Rainfall shower head is available in four different sizes to best fit your existing shower space. Optional 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 water temperature is ≤89 °F (≤32 °C), Blue color will show automatically. When water temperature is between 97 to 107 °F (36-42 °C), Green color will show automatically. When water temperature is between 109 to 122 °F (43-50 °C), Red color will show automatically. When water temperature is above 122 °F (>50 °C), Red color will flash immediately.