The NUK Flash Baby only take a second to measure temperature, without any contact, perfect for when the child / infant is asleep. Infrared technology is used to determine temperature quickly and accurately in just 1 second. Measurements can be saved to allow temperature tracking. It can also be used to measure the temperature of other surfaces such as baby food or bath water both quickly and hygienically. Winner of none. Bath and room thermometer. hygienically measures the temperature without touching babys forehead. quick and precise results within 1 second. immediate high temperature alert. versatile: can measure temperature of baby food, bath water and room temperature. ; easy to use. Readings in Celsius and Fahrenheit. Accuracy to 1C. Easy to read LCD display. Readings available in 1 second. (included). Suitable from birth.