Features 1、Brewing Tester: Designed to have a wide measurement range of 0-80%, the refractometer can test your brewing to better improve your wine making. 2、Accurate Works: Built in automatic temperature compensation and 1% accuracy enable consistent and accurate readings on the beer and liquor. 3、Practical Uses: Can be widely applied to household brewing, agriculture, horticulture, educational utilization and so on, useful and reliable. 4、Easy Operation: Simple in both operation and calibration, the brewing refractometer ensures high working efficiency to meet your various needs. 5、Simple Carrying: Comes with a light weight and a compact size as well, the refractometer can be easily carried for indoor and outdoor using. Specification Item Type: Brewing Refractometer Material: Aluminum Alloy Measuring Range: 0-80% Grid Value: 1% Accuracy: ± 1% Scope of Application: For the concentration measurement of liquor and ethanol. Package List 1 x Brewing Refractometer 1 x Dropper 1 x Screwdriver 1 x Soft Cloth (Random Color) 1 x User Manual 1 x Storage Box