Tympanic Thermometer with Quick Probe Release Saves Time. This innovative, quick-response ear thermometer features one-touch operation, taking an accurate, non-invasive reading from the tympanic membrane. When you're done, the mechanical probe cover quickly releases the used cover without contact, saving time and minimizing the potential for the spread of infection. Readings in Fahrenheit and Celsius. Safe for use on patients of any age. Comes with 100 disposable probe covers.