ValuesRus Infrared Non Contact Thermometer by ValuesRus, Hospital Grade Designed for Professionals and Home Use. Programmable for more Accuracy. If you are tired of using an infrared Thermometer and having it read 97.6 when you know your normal temperature is 98.6 then its time for a change. If it does not read your temperature when you are well then how do know what it will read when you are ill? Our technology is better. There are several factors in play when using a infrared Thermometer. Skin tone and color is one of them. It is scientifically proven that the skin color radiates temperature differently. So when measuring the internal temperature of the body the tool needs to take into account for this change in color. In the case of a Infrared Thermometers ONE SIZE DOES NOT FIT ALL. Our ValuesRus Thermometer is programmable and takes the sample skin color into account and therefore becomes a more accurate Thermometer . The ValueRus Infrared Thermometer is Hospital Grade rated Class 3 in China & It is and uses an American Made Amphenol Infrared Sensor, In Body Mode it is tested to be accurate to within +/- 0.2°C. It houses an Electromagnetic shield and is therefore approved for Hospitals. It has a Programmable Feature for calibrating to different Skin color, because Different Skin colors have different nominal temperature readings. Therefore this Thermometer is customized to every customers family presenting a more accurate reading. The user range is 2”– 6” most other Infrared Thermometers user range is less than 2”. There are two modes Body use and Home use. When in body mode, it has Temperature Sound alerts LO and HI, indicating the temperature is affected by Hair or Sweat or Changes in the Airflow or the measurement distance is to far. For use on Babys and Adults best used on the Forehead, In the home use mode it can be used on baby's milk, Bath water, Food and more. Recommended for Hospital and Medical centers where Accuracy is a must. Comes with a 2 Yr Warranty. Please watch my calibration video at valuesRus.com, to learn how to calibrate this product. I strongly suggest that you use a mercury Thermometer when you calibrated it. My video shows me using a electronic internal thermometer but since then I have found that those too are not very accurate. But if you use a Mercury internal thermometer and calibrate this ValuesRus Infrared Thermometer to it you will then have the very best electronic Non Contact thermometer on the market. Thank you for your purchase. Please review this product here on ValuesRus.com and on walmart. If for any reason you are not completely satisfied with this product. My phone number is on the packaging. Please call so I may help answer any question you may have.