Features 1. This infrared forehead thermometer is a safe, hygienic and non-invasive way, which can obtain clinically accurate readings within 1 second, and your temperature is accurate and worry-free. 2. Non-contact infrared forehead thermometer can measure the temperature of the body, objects and liquids, safe, hygienic and non-invasive temperature measurement of the forehead. 3. High temperature alarm: prompts for abnormal high temperature, and the alarm sounds a didi warning sound. 4. Lightweight, compact, and portable. 5. Real-time recording of body temperature, 32 groups of large-capacity memory to facilitate comparison of changes before and after body temperature.specification Material: ABS Weight: 50g Color: black, white Response time: 1 second Temperature measurement range: Body temperature mode: 32.0-42.9C Objective lens mode: 0-80 tolerance scope: 35.0C-42.0C: 0.2C 32.0C-34.9C: 0.3C 42.1C-42.9C: 0.3C The maximum allowable number of clinical repetitions: Do not exceed the range of +0.3C. Resolution: 0.1C (0.1F) Power supply: use 2 AAA batteries (not included in delivery) Size: 122mmx29mmx23mm Operating environment: temperature: 15.0C-40.0C, relative humidity RH85% Temperature display: You can adjust Celsius and Fahrenheit (two modes, long press to switch in the light and machine state)packing list 1 Thermometer 1 English manual