The ARC InstaTemp Non-Touch Digital Thermometeruses the most advanced sensor technology in the world to quickly and accurately measure human body temperature within +/- 0.4 degree Fahrenheit (+/- 0.2 degree Celcius) without touching the body. Worried that your loved one has a fever? Simply point and click for instant, accurate temperature readings without having to wake or disturb them. Plus, with the non-touch technology, cross contamination is prevented without the use of pesky and wasteful probe covers. The ARC InstaTemp Non-Touch Digital Thermometer is an easy to use digital thermometer with a backlit LCD screen and a temperature range indicator (green, orange and red) and an automatic shut off feature to save battery life.