With LED: The color of the RGB LED changes according to the temperature and ensures safety for children. No battery required: powered by water flow. It doesn't need a power source of any kind, or an external battery. Advanced Accessories: Features side lever handle, disc cartridge ceramic for long life and an open cascading spout. The whole base of the mounting nut is made of copper, which makes it stronger and more stable. Excellent quality: made of bright chrome-plated brass. Well finished in detail and robust, to guarantee its durability over time. Contents: 1 x RGB LED basin tap Product description Features : Easy to install and clean. Gives you a high quality family feeling. All copper mounting nut base, more solid, no shaking. It is powered by water flow alone. It does not need a power source of any type. It has a side lever handle, a ceramic disc cartridge for long life and an open waterfall spout. The faucet can light up in different colors according to different temperatures: The LED turns blue between 0 19 degrees Celsius (32 68 Fahrenheit). The LED turns green between 20 39 degrees Celsius (68 104 degrees Fahrenheit). The LED starts flashing between 50 100 degrees Celsius (12222222 degrees Celsius). -212 Fahrenheit)