1 Brand Recommended by Pediatricians* Proven More Accurate than Forehead or Rectal** Professional Technology Ensures Accuracy Every Time Just Seconds: Fast, Gentle and Easy to Use Recommended for Infants, Children and Adults °F or °C Readings Braun ThermoScan® Infrared Ear Thermometer Protective Case with Lens Filter Storage Disposable Lens Filters 21X 2 AA Alkaline Batteries Kit Includes: Thermometer Protective Case 21 Disposable Lens Filters 2 Batteries Why measure in the ear? The ear canal is the best site to measure a fever because of its close proximity to the eardrum, which shares the blood supply of the brain's temperature control center. This site allows for a more accurate reflection of the body's core temperature. Exclusive pre-warmed tip technology is designed to minimize the cooling effect of the tip inside the ear canal, providing accurate measurements time after time. Unique positioning system uses a light and beep to confirm proper positioning. Memory function recalls the last temperature reading. * Based on a survey reporting that of the surveyed pediatricians (1) who recommend a brand of thermometers, Braun is the most recommended; and (2) who use a branded thermometer, Braun is the most frequently used. ** Measurements in detecting temperature changes. Nimah, Marianne M ., et al. "Infrared tympanic thermometry in comparison with other temperature measurement techniques in febrile children." Pediatr Crit Care Med 7.1 (2006): 48-55. *** Herzog L ., Phillips S. Addressing Concerns About Fever. Clinical Pediatrics. 2011; 50( 5): 383-390.