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 Thermometer Color: Black Type: IR01A,IR01B,IR01C,IR01D(optional) Material: ABS Plastic Measuring Range: IR01A: -50~380 degree IR01B: -50~550 degree IR01C: -50~550 degree with hygrometer IR01D: -50~800 degree with hygrometer Ambient temperature: -10-60℃（IR01C） Ambient humidity: 0％-100％ Laser: ＜1mW/630-670nm level 2 Response spectrum: 8-14μm Response time: ＜0.5S Emissivity: 0.10-1.00 adjustable D:S: 12:1 Operating Temperature: 0~40°C Storage Temperature: -10~60°C Automatic shutdown: 30 seconds Power Supply: 2 * 1.5V AAA Batteries(Not Included) Package Size: 193*121*51mm Package Weight: 217g Package List: 1 * Thermometer 1 * User Manual