Mini Digital Pen LCD Non-Contact IR Infrared Thermometer DT8230 Type: Infrared Thermometer Features: Noncontact infrared (IR) thermometers use infrared technology to quickly and conveniently measure the surface temperature of objects without physically touching it. You simply aim, pull the trigger and read the temperature on the LCD display. Measurement Range: -50?~230? Measurement Accuracy: ±2% or 2 °C