Unit includes a pack of 25 probe covers. With Oral Probe and Probe Well Welch Allyn's new Sure Temp Plus combines the speed of ear thermometry with the accuracy and reliability of traditional oral thermometry. You can take approximately 4-6 second oral temperatures 10-second pediatric axillary and rectal temperatures and 15-second adult axillary temperatures. Accurate to within +/-0.2 degrees C Interchangeable removable probe wells to reduce the risk of cross-contamination. Large LCD display that can display temperatures in Fahrenheit or Celsius Last temperature recall Convenient storage for 25 probe covers. Takes approximately 6000 readings on 3 AA batteries Shipping Carton Size: 12 L x 10 W x 6 H