BENETECH GM300E Digital Laser Point Infrared Thermometer, Temperature Range: -50-420 Celsius DegreeAbout the product 1. This infrared thermometer is used for measuring the temperature of the objects surface, which is applicable for various hot, hazardous or hard to reach objects without contact safely and quickly 2. This unit consists of optics, temperature sensor signal amplifier, processing circuit and LCD display. 3. The optics collected the infrared energy emitted by object and focus onto the sensor. Then the sensor translates the energy into