The iHealth infared digital thermometer is a handheld temperature reading device, which is useful in the medical ward or in your home / place of work. Suitable for all ages and charged by 2 x AAA batteries to keep the device completely portable, especially for use on the go. The thermometer also includes a 'Fever Alarm' to alert you when the tested subject has a temperature above normal. To use the iHealth thermometer as intended you must apply direct measurement to the forehead area for the most effective results. The LCD Display, allows for easy reading of calculations and results. Range of temperature measure is 32 degrees celcius and 42.9 celcius, with an installed indicator to display when you are too hot or too cold. MEDICAL TEST CERTIFICATION: CE, ROHS, 11a, TUV, CNAS