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\u0026humidity, IR01D range of temperature is -50-800 degree with ambient temperature\u0026humidity. Reflectivity adjustable: widely used with adjust range:0.10-1.00. This thermometer is lightweight portable. It will perfectly fit your pocket backpack. So, you can take it anywhere 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\u2103\uFF08IR01C\uFF09 Ambient humidity: 0\uFF05-100\uFF05 Laser: \uFF1C1mW\/630-670nm level 2 Response spectrum: 8-14\u03BCm Response time: \uFF1C0.5S Emissivity: 0.10-1.00 adjustable D:S: 12:1 Operating Temperature: 0-40\u00B0C Storage Temperature: -10-60\u00B0C Automatic shutdown: 30 seconds Power Supply: 2 1.5V AAA Batteries(Not Included) Package Size: 19312151mm Package Weight: 217g Package List: 1 Thermometer 1 User Manual