This digital thermometer has an in-built sensor that gives you the precision to hone in on the exact space you want to measureNon-contact industry thermometer with 12 points temperature test area indicateTemperature difference alert, easy to set maximum/minimum temperatureTwo Types are Available: IR01A range of temperature is -50~380 degrees Celsius, IR01D range of temperature is -50~800 degrees Celsius with ambient temperaturehumidityReflectivity Adjustable: widely used with adjusted range:0.10-1.00This thermometer is lightweight and portable. It will perfectly fit your pocket and backpack. So, you can take it anywhere and use it anytimeLCD Display: Digital LCD display with backlight for easy readingSpecifications:_x005F_x000D_Name: IR01A Industrial Infrared ThermometerType: IR01A, IR01D (optional)Material: ABS PlasticMeasuring Range:IR01A: -50~380 degreeIR01D: -50~800 degree with hygrometerAmbient humidity: 0-100Laser: 1mW/630-670nm level 2Response spectrum: 8-14mResponse time: 0.5SEmissivity: 0.10-1.00 adjustableD:S: 12:1Operating Temperature: 0~40CStorage Temperature: -10~60CAutomatic shutdown: 30 secondsPower Supply: 2 * 1.5V AAA Batteries (Not Included)Package included:_x005F_x000D_1 x Thermometer_x005F_x000D_1 x English and Chinese User Manual