Elegant and soothing glow adds a surprise touch to dressing room.
Nightlight effect makes kid's bathrooms more friendly in the dark.
Internal pressure switch activates the light whenever the water is turned on and light shuts off when water stop.
Temperature hit 40 +/- 2 degrees, the LED color will change from blue in Red.
Very easy installation

No battery need,when the water flow,the led will be bright,very safe.