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 Tracker feature, allowing for efficient tracking of temperature trends over time. 2 AAA 1.5V batteries included. Suitable Medical Use This infrared thermometer offers both forehead and body temperature measurement modes. The device features three buttons: the right button switches between Fahrenheit and Celsius; the left button toggles between body and surface temperature modes; the center button initiates measurement. Fast and Non-Contact Temperature Measurement Equipped with a precision sensor and optimized algorithm, this thermometer delivers accurate body or object temperature readings in approximately 3 seconds. The non-contact design ensures a safe, hygienic, and convenient experience, ideal for use on sleeping infants or during routine checks. 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, and the fever indicator provides immediate visual feedback when elevated temperatures are detected.