The AiQURA AD801 Non-contact Body Digital Forehead Infrared Thermometer for Adults and Children is the safest option to measure human body temperature from a certain distance without coming in direct contact with skin regardless of room temperature. This High-accuracy infrared measurement thermometer uses infrared technology that relies on updated high-precision sensor probes and the latest smart chips without generating radiation. The LCD screen displays clear and crisp numbers that are quick and easy to read even in the dark in either degree Celsius or Fahrenheit. Just aim and push the button to read the current person's temperature in less than a second. It provides an audible alert for over-temperature. Depending on various skin types and thickness, there may be a temperature difference.