Waterproof Digital Shower Celsius Thermometer Temperature range: 0 ~ 69C Accuracy: 1C at 25 ~ 50C Respond Time: 2 ~ 4sec Digital displays, fast response and accurately measures the water temperature in Celsius (C) only Waterproof Digital Shower Thermometer gives a clear indication if the water is warm or too hot or too cold. It has microcomputer technology and semiconductor component that helps eliminate the dangers of scalding and incorporates temperature LED alert