Digital Thermometer that accurately reports body temperature after only 1 minute. Digital display provides easily readable results with audible beep to alert when measurement is complete. 1.Press "power" button, after the beep. 2.The thermometer will display the last temperature taken. 3.When it's ready to measure put the thermometer in the correct place after "C". 4.When basically the temperature is no variation "C or F" stopped flashing, and the buzzer makes a sound, remind you to confirm the result of the measurement. 5.Hold down the power button for 2 seconds after the C/F temperature display mode switch. 6.Press 'power" button again, switch off.