Easy Installation. Works under water pressure, no battery needed. Three types available: Blue LED, 7-Color LED, Heat sensor LED.
Blue LED: When you turn the tap on, the LEDs will emmit bule light.
Heat Sensor LED: Prevents you from scalding. Between 0-31℃, the light is blue. Between 32-43℃, the light is green. Between 44-50℃, the light will change to red. Above 51℃, the light will emit flickering red.
7-Color LED: The LEDs are continuously changing in 7 different colors.