Easy Installation. Works under water pressure, no battery needed. Three colors available: Blue LED, 7-Color LED, Heat sensor LED.
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 emit Red. Above 51℃, the light will emit Flickering Red. 7-Color LED: The LEDs are continuously changing in 7 different colors.