Convenient fast display in Fahrenheit or Celcius. This rigid tip digital thermometer is safe for all ages, easy to use, and comfortable for oral, anal, or underarm use. Rectal / rectum use for babies is easiest. Oral and underarm is easiest for adults. Intelligent design includes memory recall, fever alarm, easy-to-read large display, loud low-frequency beep for hearing-impaired or elderly, "Accubite" ridges inform you of precise, accurate, and proper placement of the tip of the thermometer in the mouth or the anus. Battery is also included. Sells for $10.49 at CVS plus sales tax totaling $11.41. Why pay full price?