2-in-1 function: Thanks to the 2-in-1 function, the infrared thermometer measures not only body but also object temperatures. Non-contact and safe: the thermometer is easy to use, hygienic, extremely reliable and very accurate. Fast and accurate result: using a high quality infrared sensor, the user is able to get precise readings within one second with an accuracy range of ± 1ºF / 0.5ºC. High temperature alarm: an acoustic signal informs about high temperatures fever, ambient heat. Depending on the measurement result, the 3-color display changes its backlight. Memory function: The forehead thermometer gives the temperature in both Celsius and Fahrenheit and has a free memory for 10 measurements.