Portable Handheld ATC Alcohol Refractometer Liquor Volume Percent Tester with 0-80% Measuring Range The alcohol refractometer can be used for measuring the volume percent of alcohol, which measuring rang is 0-80% and accuracy is 1%-2.5%. Features: Handheld design and non-slip rubber handle for easy operation. Built-in automatic temperature compensation(ATC) to get faster results. Measuring Rang: 0-80%; Accuracy: 1%-2.5%. With measurement level for direct reading. Adjustable manual focus, easy to focus and calibrate. Comes with a case, convenient for storage and portable for use. Great for measuring the volume percent of alcohol liquid like whiskey, brandy, fruit brandy, etc. Specifications: Color: Black + Silver + Blue Material: ABS Measuring Range: 0-80% Accuracy: 1%-2.5% Item Size: Approx. 19.3 * 4cm / 7.6 * 1.6in   Item Weight: Approx. 103g / 3.6oz Package Weight: Approx. 245g / 8.6oz  Package Size: Approx. 20.3 * 8 * 5.5cm / 8 * 3.1 * 2.2in Package List: 1 * Alcohol Refractometer 1 * Slotted Screwdriver 1 * Cleaning Cloth 1 * Straw  1 * Case  1 * User Manual(English)