Features:Dual Scale: Brix Scale and Specific Gravity ScaleFull range 0 to 32% Brix scale with 0.2% scale division1.000~1.120 specific gravity scale for unfermented wortSturdy metal body， made of durable AluminumRequire ambient light source onlyCompact design with rubberized grip handleAdjustable focusHeavy-duty & lightweightClear display of scalesSoft and flexible eyepiece， superior comfort while viewingSimple & easy manual calibrationInstant and reliable measurements of aqueous solutionsATC Compensation Range (i.e. Built-in Automatic Temperature Compensation System) from 10�� to 30��Measuring Range:Brix: 0~32%Wort Specific Gravity: 1.000~1.120Accuracy:Wort Specific Gravity: ��0.002Brix: 0.2 % BrixWort Specific Gravity: 0.001Automatic Temperature Compensation (ATC): 10��C~30��C (50��F~86��F)Length: Approx. 17cm/ 6.69"Package Included:1 x Refractometer1 x Calibration Mini-screwdriver1 x Instruction Manual1 x Pipette1 x Cleaning Cloth