-50~550 1022 Infrared Thermometer Laser-point IR Temperature Gun GM550 Industrial Pyrometer / This digital infrared thermometer can safely and accurately measure extreme temperatures in a wide variety of environments. Note:This item is an industrial thermometer, suitable for the surface of objects, but please do not use it on the human body Features: Easy one-hand operations LCD with back light ON / OFF Switch Low battery indicator LED back light system C / F temperature unit conversion Automatic Power off arter 7 seconds without activity Display hold Scan function Detailed specifications: Power Supply: 2X AAA Batteries (Not included) Color: Blue/Orange Measurement range: -50 C to 550 C (-58 F to 1022 F) Accuracy: -50 C to 0 C ( 3 C), 0 C to 100 C ( 1.5 C), 100 C to 550 C ( 1.5%) Repeatability: 1 C or 1% of reading Resolution: 0.1 C or 0.1 F Response Time: 500mSec, 95% response Emissivity: 0.95 Preset Distance To Spot Ration: 12: 1 Spectral response: 8 ~ 14m Storage Temperature: -20 C to 60 C (-4 F to 140 F) Operating temperature: 0 C to 40 C (32 F to 104 F) Operating Humidity: 10-95% RH non-condensing, up to 30 C (86 F) Package included: 1 x Digital Infrared Thermometer