Check the listing for details. 0-80%vol Refractometer，Alcohol Concentration Meter，Ethanol Tester，± 1% Accuracy. Color: Black, Condition: New. Listed at 8.45 USD. Application This refractometer can be used to detect the ethanol concentration of Baijiu, distilled spirits, brewed liquors, and industrial alcohol. It is the ideal tool for brewers, distilleries, laboratories, and cross-border sellers. It incorporates premium optical prisms and ATC automatic temperature compensation technology, eliminating the need for batteries. Specifications Color: Black Material: Aluminum Alloy, Silicone, Glass Style: Modern Measurement Range: 0-80% vol Accuracy: ± 1% Model: THE01507B Product Size(L*H): 3.99*19.48cm/1.57*7.67in Package Size: 20.5*8.5*5.5cm/8.07*3.35*2.17in Gross Weight: 0.25kg/0.55lbs Net Weight: 0.2kg/0.44lbs Package Included 1* Refractometer 1* Storage Box 1* Cleaning Cloth 1* Pipette 1* English Manual 1* Calibration Screwdriver.