Contactless and fast measurement: The infrared thermometer can measure temperature in 1 second without physical contact. The infrared thermometer has a single-button measurement design, which is fast and convenient. 2-in-1 mode: The professional infrared thermometer includes both pan and surface modes. In addition to measuring body temperature, it can also measure ambient temperature, water temperature, or object temperature. A multifunctional thermometer for adults can meet your various needs. Audible and visual fever warning: The infrared thermometer has an audible alarm, you can set the alarm temperature threshold. The medical infrared thermometer uses a three-color background light. In body mode, the thermometer can determine if there's a fever or not through different colors on the background light: Green (32.0-37.4), Orange (37.5-37.9), Red (38.0-43.0) Professional and precise: The infrared thermometer uses infrared technology to quickly and accurately measure data. You can switch between Celsius/Fahrenheit modes as needed. The thermometer's accuracy is 0.2°C / 0.3°F. Memory function and automatic shut-off: The adult thermometer has a memory function and can store 99 sets of temperature data (for pan mode), helping you record better. The infrared thermometer automatically turns off after 15 seconds of inactivity, saving energy.