1、The temperature-controlled shower sprayer has a built-in hydroelectric power generation system, which eliminates the need for a battery and external power supply. The LED will light up when the water source is connected. <br>2、Temperature controlled shower sprayer changes color according to the temperature of water. When the water temperature is ≤32℃, the light will emit green light, and when the water temperature is between 33℃ and 41℃, the LED light will emit blue light. <br>3、Temperature-controlled shower sprayer, when the water temperature is between 42℃ and 45℃, the LED light will emit red light. When the water temperature is above 45℃, the LED light will flash red. <br>4、The colorful shower sprayer has a built-in hydroelectric power generation system, which eliminates the need for batteries and external power sources. The LED will light up when the water source is connected. <br>5、The color of the colorful shower sprayer can change a color every 3 to 5 seconds according to the time, forming a colorful changing effect. 6、ABS material panel, electroplating process, corrosion resistance, rust resistance, durability and long service life. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.