Freedi LED Shower Head Temperature Controlled Colors Fading Bathroom Shower Head LED Water Faucet Rainbow LED Showers 7 colors are displayed circularly when water flow. Brightness is such enough even no other lighting fixtures need No batteries, no wire needed. This product is connected with the 20mm (common interface) .A replacement for most standard shower heads,easy to install The light is activated by water pressure and turns off automatically with the water. The change of LED color will not be subject to the temperature of water.Please check the size carefully before buying Package content: 1 x LED shower head. Hose are NOT INCLUDED