Welch Allyn SureTemp Plus 690 Wall-Mount Electronic Thermometer with Interchangeable Oral Probe Well, Oral Probe with 4.0 ft/1.2 m Cord, Last Temperature Recall; 3 Alkaline AA Batteries, provides 4-6 Second Oral, 10-13 Second Pediatric Axillary, and 12-15 Second Adult Axillary Temperature Readings in Fahrenheit or Celsius