Manufactured with advanced infrared temperature measurement technology, skin-free operation and temperature can be quickly measured within three centimeters of the skin, giving your family better protection. In addition, this thermometer has CE and FCC Rosh approval. Battery: 2 x AAA batteries (included) Large HD LCD screen, clearly displayed data and 32 reading memory, record your temperature at any time. If the reading exceeds 37°C / 37°C, a continuous beep will be emitted to indicate fever. It also has an auto power off function to save energy. High Precision and Fast Intelligent anti-mirror design probe, microchip sensor, fast and accurate body temperature measurement. ?? Note: You can adapt to medical temperature measurement systems in different countries by converting degrees Celsius.