About this item (High Precision) :The thermometer adopts the high precision probe of temperature sensitive element, and after extensive clinical verification, the temperature can be accurately measured within a few seconds through different algorithms, with the accuracy within ± 0.2ºF. (Easy Conversion of ºC/ºF): When it's turned off, press and hold the ON / OFF button until ºC/ºF alternately appears, and release as soon as ºF appears, so that ºF mode can be used. (Wide Range Of Use): The optimized algorithm enables the thermometer to measure oral, underarm, rectal. It is suitable for all ages, adults, babies, new born. It can be used indoors and outdoors. (Memory Function&Fever Indication):The temperature measured last time before measurement will display "m" mark in the right corner to help you easily track your temperature. 10 long beeps will be emitted within 10 seconds to remind the measurement is completed.