About this product: No additional power supply or battery is required, the water flow can power the LED light. The LED light ring displays three colors according to the corresponding water temperature range. People can relieve stress and eliminate fatigue through the color change. The color changes according to the temperature of the water flowing through it. Made of ABS, environmentally friendly, safe and durable for long-term use. Multi-layer plating treatment ensures corrosion resistance and a smooth surface. Energy efficient, Great alternative to hand showers, easy to install. The shower head sprayer handle plugs directly into the shower hose. Product description: . No additional power supply or battery is required for the water sprayer to provide energy spray for the LED lighting. . The color changes depending on the temperature of the circulating water. Made of environmentally friendly ABS. . Multi-layer plating treatment ensures corrosion resistance and a smooth surface. 5. An