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 up to the last 20 measurements using the Memory Tracker recall mode, allowing for efficient tracking of temperature history and trends. Includes 2 AAA 1.5V batteries. Suitable Medical Use This infrared thermometer offers both forehead and body temperature measurement modes. It features three buttons on the front: the right button switches between Fahrenheit and Celsius; the left button toggles between body and surface temperature measurement; the center button is the measurement trigger. Fast and Non-Contact Temperature Measurement Equipped with precise sensor technology and optimized algorithm calculations, this thermometer delivers body or object 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 alert indicator, an LED display, and five customizable settings. The backlit display allows for easy reading in low-light conditions. The fever alert feature provides immediate visual indication when an elevated temperature is detected.