Features: xNo contact, safe measurement. High-precision infrared thermometer, 0.5 seconds quick response measurement, the measured object distance ratio is 12:1, the laser point is aimed and positioned, and the measurement range is quickly locked xConversion between ℃ and ℉, the lowest temperature can be measured -50℃, the highest temperature can be measured 550℃, which can meet the surface temperature measurement of most environmental objects xAV backlit color screen, clear reading, can also be measured in the dark environment xGaoling sensitive temperature probe adopts infrared temperature measurement, which is accurate and reliable. xUse 2 x 1.5V AAA battery. (Not included) xSafe and durable, strong material, anti-falling and durable, beautiful appearance. Specification: Temperature range: -50℃-550℃ (-58℉-1022℉) Accuracy:＞0℃:±1.5℃ or±1.5 percent ,Whichever is greater ＜0℃:±3℃ Rrepeatability:1 percent of reading or 1℃ Reponse time:500 mSec, 95 percent response Emissivity:0.95 Preset Distance to Spot Ratio:12:1 Spectral response:5μm-14μm Operating Temperature:0 -40℃ (32 - 104℉) Operating Humidity:10-90 percent RH non-condensing, up to 30℃(86℉) Storage Temperature:-20 - 60℃ (-4-140℉) Power Supply:1.5V AAAx2 battery (Not included) Application: xFlame temperature xGas temperature xIron smelting temperature xRefrigerated temperature Package Include: 1xInfrared thermometer 1xEnglish manua Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.