Features:1. Full view backlight vivid LCD screen2. 12 points temperature test area indicate3. Temperature difference alarm: freely set upper and lower limits4. Adjustable emissivity for a wide range of applications5. Suitable for industrial equipment temperature inspection, industrial line search for heat source, automobile engine temperature measurement and pipeline temperature inspection, etc.Specification:Condition: 100% Brand NewBrand: MESTEKModel: IR01DRange of temperuature measurement: -50~800Environment Temperature: -10~60Environment Humidity: 0%~100%RHD:S : 12:1Emissivity: 0.1~1 adjustableResponse Spectrum: 8~14umLaser Positioning: 12 point ring indicating temperature sensitive zoneLaser : <1mW/630-670nm level 2Response time:<0.5sAutomatic Shutdown: 30 secondsData Retention :there areService Temperature: 0~40Storage Temperature: -10~60Power supply: 1.5V*2 AAA Battery (not included)Weight: Approx. 204g / 7.2ozSize: Approx. 140 * 95 * 42mm / 5.5 * 3.7 * 1.7inPackage List:1 * IR01D Thermometer Note:It's for industrial use, not for body temperature measurement..