4 in 1 Forehead and Ear ThermometerYou can take forehead, ear, object and bedroom temperature with this non-contact thermometer. It applies to both professional use and home use. Fever Warning & 4 Backlight ColorsThis infrared thermometer is equipped with a fever warning system. If 37.6C T 38.0C, the orange light will be displayed, which alerts you that you may have a low fever. If 38.1C T 42.9C, the red light will display and warn you that you may have a high fever. The light is white after turning on, and green when 32C T 37.5C. User-friendly designThis non-contact thermometer can switch between forehead mode and ear mode. At the same time, it can switch between mute mode and unmute mode. It also has the capacity to store 40 sets of recordings. In addition, it has a variety of useful functions: switching between C and F, automatic shutdown after 10 seconds without any operation. Fast and AccurateThis medical thermometer has a clinically accurate three-step calibration algorithm, which can accurately measure body temperature within one second. Multifunctional Forehead and Ear Thermometer: The medical thermometer can not only measure body temperature (including forehead and ear) and ensure family health, but also can measure food temperature, ambient temperature, baby bottles etc.