Welch Allyn Suretemp Plus 690 Thermometer with Rectal ProbeThe Welch Allyn Suretemp Plus 690 Electronic Thermometer with Rectal Probe is a medical device that measures body temperature through an electronic sensor. It can be used on adults, children, and infants and is commonly used in clinical settings such as hospitals and doctor's offices. The rectal probe, which is a thin, flexible tube, is inserted into the rectum to accurately measure core body temperature. The device features a large, easy to read