4 in 1 Forehead and Ear Thermometer This non-contact thermometer allows you to measure forehead, ear, object, and room temperature. Suitable for both professional and home use. Fever Warning & 4 Backlight Colors The infrared thermometer features a fever alert system. When the temperature is between 37.6C and 38.0C, an orange light indicates a potential low fever. A red light appears for temperatures from 38.1C to 42.9C, signaling a high fever. The display shows white upon startup and green for normal temperatures between 32C and 37.5C. User-Friendly Design Switch easily between forehead and ear modes. Choose mute or sound mode based on your preference. Stores up to 40 temperature readings. Offers additional functions including Celsius/Fahrenheit conversion and automatic shutdown after 10 seconds of inactivity. Fast and Accurate Equipped with a clinically validated three-step calibration algorithm for precise temperature measurement in one second. Multifunctional Use This medical thermometer measures body temperature (forehead and ear) to help monitor family health. It can also measure the temperature of objects such as food, rooms, and baby bottles.