Forehead Thermometer Mini Portable Non-contact Infrared Handheld Electronic Thermometer For Home UseFeature:1. One-button use of body temperature measurement, which can be used for multiple consecutive measurements.2. One-key measurement, simple operation, no contact required.3. Automatically shut down after one minute of inactivity.4. Data units can be switched between Celsius and Fahrenheit, object and temperature measurements.5. Electronic infrared thermometer with high precision, suitable for infants and adults.6. Large LCD screen with backlight function.describe:1. Measuring range: 32 - 42.2 C3. Three-color backlight: green 32~37.3C, yellow 37.4~38.0C, red 38.1~39.1C4. Power supply: 2xAAA batteries, DC3V (not included)5. Measuring distance: 1-5 cm6. Power supply: need 2 AA batteries7. Dimensions: 122mmx29mmx23mmNotes:Please use it under the guidance of the user manual.1. Please confirm whether your battery is installed according to the corresponding positive and negative poles2. Please confirm the temperature measurement mode you are using (click the SET button to switch the temperature mode, long press the SET button to switch between Celsius and Fahrenheit), there are object mode and human body mode, switch to human body mode to measure body temperature correctly3. Please measure the forehead of the human body, the forehead measurement is the most accurate valuePackage Included:1 thermometer