The NUK Digital Bath Thermometer provides a fast and reliable measurement of your little ones bath water. The fun starfish shaped thermometer is water proof and extra safe. Measurement results show up on the LCD display and the LED light flashes red with HOT flashing on the screen when the water is at 39C or higher. The screen displays the temperature and will also display the word cold when below 32C. Bath and room thermometer. Starfish shape for fun and safe bathing. Fast and accurate results. Waterproof and floats. LCD display means water temperature is easy to read. Temperature alert for too hot and too cold. Readings in Celsius. Easy to read LCD display. Suitable from birth. Manufacturers 2 year guarantee.