Features:This digital thermometer has an in-built sensor that gives you the precision to hone in on the exact space you want to measure.Non-contact industry thermometer with 12 points temperature test area indicate.Temperature difference alert,easy to set maximum/minimum temperature.Four Types are Available: IR01A range of temperature is -50~380degree,IR01B range of temperature is -50~550 degree,IR01C range of temperature is -50~550 degree with ambient temperature&humidity, IR01D range of temperature is -50~800 degree with ambient temperature&humidity.Reflectivity adjustable: widely used with adjust range:0.10-1.00.This thermometer is lightweight and portable. It will perfectly fit your pocket and backpack. So, you can take it anywhere and use it anytime.LCD Display: Digital LCD display with backlight for easy reading.Specifications:Name: IR01A Industrial Infrared ThermometerColor: BlackType: IR01A,IR01B,IR01C,IR01D(optional)Material: ABS PlasticMeasuring Range:IR01A: -50~380 degreeIR01B: -50~550 degreeIR01C: -50~550 degree with hygrometerIR01D: -50~800 degree with hygrometerAmbient temperature: -10-60IR01CAmbient 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 Size: 193*121*51mmPackage Weight: 217gPackage List:1 * Thermometer1 * User Manual