Professional digital LCD display infrared thermometer for measuring the surface temperature of an object. 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℃ (-58~752℉) wide measuring range with Celsius (°C) and Fahrenheit (°F) optional temperature units Low Consumption & Auto-off: just powered by 2pcs 1.5V AAA batteries (NOT included), and the tester will automatically shut down if there is no operation within 30 seconds, low battery indication on the upper right corner Data Reading: HD colored LCD screen with a backlit display, combine with data hold function, which allows you to check the data clearly Adjustable Emissivity: 0.1~1.0 adjustable emissivity (preset at 0.95), high and low-temperature alarm settable, laser ON/OFF settable, etc Wide Applications: Can be used for the non-contact temperature measurement of the automobile engine / air outlet, air conditioning, oven food, etc Specifications: Model: IR03A Infrared measurement range: -50~400℃ (-58~752℉) Accuracy: -50~0℃(-58~32℉): ±3℃; 0~400℃(32~752℉): ±(1.5% of reading+2℃/4℉) Material: ABS Emissivity: 0.1~1.0 Field of view (D:S Ratio): 12:1 Spectral response: 8 ~14μ Laser pointer class: class 2 Laser pointer output: <1mW power Laser pointer wavelength: 632~690nm Response time: <0.5 second Automatic power-off: 30 seconds Operating temperature: 0~40℃ / 32~104℉ Storage temperature: -10~60℃ / 14~140℉ Power supply: 2 * 1.5V AAA battery (NOT included) Item size: 150 * 73 * 44mm / 5.91 * 2.87 * 1.73in Item weight: 108g / 3.81oz