Accurate and Reliable Measurement Thanks to its unique probe design, advanced infrared sensor, and comprehensive calibration process, this forehead thermometer provides highly accurate and reliable temperature readings comparable to oral measurements taken with a standard digital thermometer. Multiple Readings Recording Users can store and recall the last 20 temperature readings using the memory recall function, allowing for efficient tracking of temperature trends over time. 2 AAA 1.5V batteries included. Suitable for Medical Use This infrared thermometer features both forehead and body temperature measurement modes. It has three buttons on the front: the right button switches between Fahrenheit and Celsius; the left button toggles between human body and object temperature measurement; the center button initiates the measurement. Fast and Non-Contact Temperature Measurement Equipped with precision sensor technology and optimized algorithms, this thermometer delivers accurate body or surface temperature readings in approximately 3 seconds. The non-contact design ensures a safe, hygienic, and convenient experience, ideal for use even while a baby is sleeping. Ideal Functional Design Designed with user convenience in mind, this thermometer includes a fever indicator, an LED display, and five customizable settings. The backlit display allows for easy reading in low-light conditions, and the fever alert system provides immediate visual feedback if an elevated temperature is detected.