Medical Grade Heavy Duty Touchless Infrared Forehead Digital Thermometer Gun, 1s Instant Results, Object and Forehead Modes by THERMOBIO Advanced Technology: Superior performance delivered by the latest smart chip utilizing an optimized algorithm to ensure the 3 ultra sensitive sensors precisely measure your temperature to hygienically deliver accurate results, faster, safer, and more reliably. Long Term Reliability: Lifetime and reliability tests have shown our IR forehead thermometer to last over 1000 hours of usage. High Accuracy: The hyper precise infrared sensor collects more than 150 data points per second in an outdoor or indoor environment ensuring you get maximum accuracy every time you take a temperature.