... reading 2.memory function 3.buzzing beep reminding function 4.no mercury poisonous Digital clinical thermometer featuresMeasuring range: 32.0-42.0 ... :Temperature measurement is completed,sent about 4 seconds of the beep sound prompt.Products Name:digital thermometer, (electronic thermometer, numerical showing thermometer ... ) 2,Under the are(axillaries) 3,In the mouth(oral) Digital clinical thermometer