Features: Distance spot ratio 10:1.Auto power off after 10s without any operation.Low power indication.Emissivity: 0.95.Hold function.Extensive usage, including food, security, machine, boat, train, diesel engine and injection molding inspectionsSpecification: Measurement Range: -20℃~300℃±(1.5%+2℃)Emissirity: 0.95Optical resolution: 10:1LCD Display: ℃/℉displayAccuracy: -20℃~0℃(±3℃); 0℃~300℃±(1.5%rdg+2℃); 0℃~300℃±(1.5%+2℃)Automatic range: yesBack light: yesResolution: 0.1℃Repeatability: 1℃Laser power: Spectral response: 8-14 umPower supply:　6F22(9V)Overrange indication: OLStandards Conforms to: EN61326/EN61010-1/EN60825Note: battery not includedPackage Contents: 1×MS6520A NON-CONTACT SINGLE-SPOT LASER INFRARED THERMOMETER -20℃~300℃