This no-touch forehead thermometer uses patented breakthrough technology that means that you get fast and precise temperature readings in two ways. You can use it in In the Touch mode by placing the thermometer on the forehead and in No-Touch mode, by holding the thermometer in front of your childs forehead, so you dont need to disturb them. Forehead and room thermometer. Dual technology - Non-invasive convenience. Up to 2.5cm from Forehead. Fast reading- with 2 second measurement. Guidance system and aiming light - alerts parent to correct distance to measure and aiming light facilitates correct positioning. Age precision (age adjustment). Includes 2 AAA batteries and 1 protective cap. Readings in Celsius and Fahrenheit. Accuracy to 0.2C. Easy to read LCD display. Readings available in 2 seconds. Batteries required 2 x AAA (included). Suitable from birth. Manufacturers 2 year guarantee.