Braun BNT400 3-in-1 No Touch Thermometer with age precision is the latest addition to the braun thermometer range. it features patented age precision technology, an age-adjustable fever guidance which takes the guesswork out of the temperature reading.This thermometer uses patented breakthrough technology to make taking temperature easy, stress-free and incredibly accurate. in touch mode, place the thermometer on the forehead between the eyebrows to take a measurement. in no touch mode, hold the thermometer in front of your child's forehead between the eyebrows up to 2 cm away, therefore reducing stress for your child. the temperature can then be taken without risk of waking them.The no-sound mode can also be used so that your child's temperature can be taken almost silently. Finally, the food & liquid mode allows you to easily measure your baby food, drink or even bath temperature.