This Best Selling Digital Waterproof Thermometer produces fast, clinically accurate readings to help diagnose symptoms during cold and flu season. This versatile thermometer works well as an oral, rectal or underarm thermometer. Conveniently keep track of your family’s day to day progress with the last reading memory recall feature. A helpful tone sounds to indicate peak temperature and another special tone indicates when temperatures are above 99.5 degrees Fahrenheit. Features easy access to replace battery when needed and auto shutoff after 10 minutes. Waterproof casing makes cleanup easy and effective.