TheraP Deluxe One-Second Ear Thermometer...Combining speed, comfort and accuracy, our Deluxe Ear Thermometer uses state-of-the-art Infratemp Technology to provide ultra-fast one-second readings. LED flashlight for lining up with ear canal; Backlit display and Supersize Digits for an easy-to-read display; 10 Temperature measurement memory recall; Ergonomic design and patented Infratemp technology means accurate measurements and comfortable readings; Fast, one-second measurements; No replacement probe covers needed; Reliable accuracy with 512 scanning sequences per second; Fever alarm with visual and audio alerts; Carrying case included for convenient storage.