100% Safe and Hygienic: Safe for all ages/groups and completely hygienic, the thermometer helps you have safe control for body, surface and room temperature.Additionally, it is equipped with automatic power-off (30 seconds) to conserve energy. Memory Recall and Fever Alarm: The body thermometer can memorize the last 32 temperature measurements. And the backlit will display RED color and audible alarm if body temperature is more than 38?(100.4?). Complete Features: Practical,easy to use, aim to the body forehead and press the scan button. For your convenience, the tested temperature unit can be displayed in either ? or ?. Accurate and Reliable Measurement: Thanks to the advantage infrared detection system, use infrared technology to scan and measure the temperature of the temporal artery on the forehead. The digital thermometer can quick to take a accurate and reliable Measurement. Non contact Design: This forehead thermometer is special designed to take the human body temperature with a 3cm-5cm(1.2in-2in) distance from forehead.