Professional digital LCD display infrared thermometer for measuring the surface temperature of an object. Features: Non-contact Measurement: the thermometer can measure various hot, hazardous or hard-to-reach objects without contact, convenient to measure and safe to use. Measurement Range: -50-400 or 600 (-58-752 or 1112) wide measuring range with Celsius(anddeg C) and Fahrenheit(anddeg F) optional temperature units. Low Consumption andamp Auto-off: just powered by 2pcs 1.5V AAA batteries(NOT included), and the tester will automatic shutdown if there is no operation within 30 seconds, low battery indication on the upper right corner. Data Reading: HD colored LCD screen with backlit display, combine with data hold function, which allow you to check the data clearly. Other Features: 0.1-1.0 adjustable emissivity(preset at 0.95), high and low temperature alarm settable, laser ON or OFF settable, etc. Wide Applications: can be used for the non-contact temperature measurement of the automobile engine or air outlet, air conditioning, oven food, etc. Specifications: Model: IR03A or IR03B (Optional) IR03A: Infrared Measurement Range: -50-400 (-58-752) Accuracy: -50-0(-58-32): andplusmn 3 0-400(32-752): andplusmn (1.5 percent of readingand2 or 4) IR03B: Infrared Measurement Range: -50-600 (-58-1112) Accuracy: -50-0(-58-32): andplusmn 3 0-600(32-1112): andplusmn (1.5 percent of readingand2 or 4) Material: ABS Emissivity: 0.1-1.0 Field of View(D:S Ratio): 12:1 Spectral Response: 8-14 Laser Pointer Class: Class 2 Laser Pointer Output: andlt 1mW power Laser Pointer Wavelength: 632-690nm Response Time: andlt 0.5 second Automatic Power-off: 30 seconds Operating Temperature: 0-40 or 32-104 Storage Temperature: -10-60 or 14-140 Power Supply: 2 1.5V AAA battery (NOT included) Item Size: 150 73 44mm or 5.91 2.87 1.73in Item Weight: 108g or 3.81oz Package Weight: 171g or 6.03oz Package Size: 17.5 9.5 5cm or 6.89 3.74 1.97in Packing List: 1 Digital Thermometer