At 20" x 40" in size, this ceiling mount rainfall shower head provides maximum coverage. Six adjustable shower jets can provide massaging water to the areas you need it most. Handheld shower, hose, and 3 way valve mixer included. 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 degreeF (32 degreeC), Blue color will show automatically. When water temperature is between 97 to 107 degreeF (36-42 degreeC), Green color will show automatically. When water temperature is between 109 to 122 degreeF (43-50 degreeC), Red color will show automatically. When water temperature is above 122 degreeF (>50 degreeC), Red color will flash immediately.