Fast and Accurate Reading: Fast measurement, normally is 0.5-1 minute. This thermometer is clinically accurate with high precision. Wide Range of Use: Works for orally, rectally and in the armpit. It is suitable for all ages, babies, children, adults and, pets to measure temperature. Indicator: When the measured value is lower than 32 degrees display shows L; If higher than 42 degredegreesshows H. With memory function, auto display the last measured value after power on, help you easily track the progress of the fever Auto Power Off: The thermometer has an automatic shutdown function. If no action is taken, it will shut down after 10 minutes. But in order to extend the battery life, it is recommended to turn off the power timely after measurement.