Our Cascada Showers head comes with a 5 knob thermostatic valve that allows one, two, three, or four functions at a time. 15” x 23” square LED shower head constructed from heavy-duty stainless steel, Led power by electricity, no need for a battery. It changes color by the remote app. Stainless of 304 constructions for reliability and long-lasting performance. Easy to clean metal plated finish will withstand years of use while maintaining its beauty. Multifunction Shower heads have 2 built-in speakers, you can use your phone's Bluetooth connection with the shower's Bluetooth and play your favorite music. Shower heads have 2 LED strips, enjoy the fun of lighting changes. Remote control to change 64 kinds of lights.