4 in 1 Infrared Thermometer: This infrared thermometer uses infrared technology to not only measure the temperature of the forehead and ears, but also the temperature of rooms and objects. and functions can be easily switched. QUICK AND ACCURATE READINGS: Equipped with high quality chip and high sensitivity sensor, this forehead and ear thermometer gives you measurement results within 1 second with an accuracy of 0.4F/0 at 2 C and stores up to 20 memory traces for you body temperature. NO CONTACT: With infrared technology, the temperature can be measured without touching the forehead or objects. The measuring distance is 0-3cm. Fever Alarm: This infrared thermometer features a large LCD display with 3 backlight indicators (green/yellow/red) for easy identification of temperature results, abnormal temperature (displayed in red) will be accompanied by a warning sound. Package: 1* Thermometer Size: 18cm * 10.5cm * 5.8cm Measuring range: 32-42.9 Note: Due to the different pictures displayed, the actual color shall prevail. Dimensions are measured by hand, there may be errors (1-2 cm).