Model Number: TP3001 Brand Name: TLead Key Specifications/Special Features: Pen style, stainless steel sensing tips, direct measuring, portable, wide measuring range, applied to refrigerant, heating and food processingTechnical parameter:Measuring range: -50 - +300°C (-58 - +572°F)Distinguish: 0.1°CAccuracy: ±1°C (-20-+80°C); ±5°C (other range)Power: DC 1.5V AG13 button batteryProduct size: 20.5x206mmScreen size: 21x8mm