NON-CONTACT & INSTANT 0.1 SECOND MEASURE: The non-contact forehead thermometer is equipped with the latest medical infrared technology with 0-8cm effective measurement distance (5-8cm is more effective). You just need to press a button when you are using this forehead digital thermometer, then it will provide accurate safe and hygienic measurement instantly within 0.1 second. Requires 2 AAA batteries (not included). MULTI MEMORY RECALL: This adult and kids’ thermometer can store and recall up to 32 previous readings. You can easily lookup historical data you need. Auto power off in 10 seconds to conserve battery power. COLORED REMINDER BACKLIST: the easy-to-read LED display provides temperature readings in 3 coloured backlight with green, orange or red to quickly identify a fever in the dark. If the temperature is on the normal range (95.9°F-99.1°F/35.5-37.3°C), the LCD will show green. If the temperature is above the normal range (default setting of 99.1°F / 37.3°C), the fever thermometer will emit a warning sound and the LCD will show yellow or red. MULTI-FUNCTIONAL THERMOMTER: This forehead thermometer Switches easily between Fahrenheit and Celsius. It can measure not only forehead temperature of human body but can also be used as kitchen thermometer to measure the surface temperature of objects, such as food, bathwater, milk bottle, pan or anything else in your home. Perfect for medical settings, schools, childcare, food preparation, etc.