* Self-provided Battery. * Non-contact & fast reading: non-contact infrared measurement. The measuring distance is between 15-50mm, you will get the reading immediately within 1 second, which is fast & accurate. * Multiple uses: The thermometer can be used to measure the surrounding environment, warm food/drinks & body temperature. * Smart temperature warning: the forehead thermometer will change color according to the reading. Green backlight: normal / blue backlight (slight fever): 37.5°C≤T≤38.5°C (99.5°F-101.3°F) / red backlight (fever): 38.6°C≤T≤43°C (101.4°F-109.4 °F) * Accuracy: Forehead mode: ±0.2°C/±0.4°F; Objective lens mode: ±0.1°C/±0.2°F; Working conditions: 10°C to 40°C (50°F to 104°F) * Imported