Welch Allyn SureTemp Plus 692 Wall-Mount Electronic Thermometer (One per Room) with Interchangeable Rectal Probe Well, Rectal Probe with 9.0 ft/2.7 m Cord, Last Temperature Recall, 60-Second Pulse/Respiration Timer, Backlit Display with Electronic ID, Anti-Theft Security System; 3 Alkaline AA Batteries, provides 10-13 Second Rectal Temperature Readings in Fahrenheit or Celsius