Features: Avg/Dif Temperature MeasurementMax/Min Temperature MeasurementHigh/Low Temperature Alarm Setup12 Data Store/Recall Function°C/°F SelectionData Hold FunctionLaser Target Pointer SelectionBacklight Display SelectionAuto Power Shut OffLow Battery IndicationSpecifications:Temperature Range: -50~1050°C (-58~1992°FAccuracy: ±1.5%or±1.5°C(2.7°F)Distance Spot Ratio: 20:1Emissivity: 0.10~1.00 adjustableResolution: 0.1°Cor0.1°FResponse Time & Wavelengh: 500ms & (8-14)umRepeatability: ±1%or±1°C(1.8°F)Power: 9V Battery (6F22 or similar)Product net weight: 480gSize: 200*155*59mm