Non-contact: According to infrared technology, you can measure body temperature without touching the ear or forehead, avoid cross-infection between multiple people. Measuring distance: 5-8cm Intelligent: The large LCD backlight has 3 different colors depending on the temperature, and abnormal temperature is accompanied by a warning sound. It also has an auto-off function to save energy Accurate: This thermometer equipped with advanced infrared technology and a high-precision sensor reads quickly, which only takes one second to read the temperature. The accuracy of temperature measurement is 0.1 Multi-function: It is designed for all ages, adults and the elderly. In addition to measuring the forehead, it can also measure the temperature of the room, objects and liquids. Great choice for families, nursery, hotels, school. Convenient Design: Clear display and operation buttons make the thermometer easy to use. The backlight display is convenient for nighttime use and for temperature measurement. With a comfortable and small size handle, you can take it anywhere. Batteries not included for air shipping safety reasons.