In approx. 8 seconds,the beep will sound when the measuring is completed. Built-in memory can track previous results. More than 200Hours of continuous operation digital display thermometer probe is waterproof, you can clean it with water, thermometers can measure the body temperature of infants, children, and adults, and can be tested in the armpit, oral cavity, and rectum. It is safer for babies and kids. LED display. The products adopted high-precision thermistor technology the measurement accuracy is 0.1 and accurately grasp the temperature change. Fahrenheit or Celsius to choose. It’s instant-read and has a fever alarm. ISO 9001,ISO 13485,CE0197,RoHS,FDA approved.