Item details:-Measuring range: Brix 0 - 32 percent Fruit wine: 0-140 percent , Baume degree: 0-27 percent -Minimum scale: 0.2 percent Corresponds to: fruits, vegetables, beer, alcohol, fruit juice, sweet sugar. etc-Product size: 17.5 x 4.1 x 4.1cm-Packaging size: 20.7 x 8.5 x 5.5cm-Material: ABS-Color: Black Brix RefractometerIdeal for Home Brew, Wine making, Agricultural, Gardening and Educational Purposes. Measures on Dual ScalesBrix Scale and Specific Gravity Scale. Full range 0 to 32 percent Brix Scale. Easy to UseJust Take a Drop or 2 of Your Brew on the Prism and Hold the Refractometer to the Light, then Look through the Eyepiece to Get the Reading. No Lookup Table Needed and No Waste CalibrationAccurate Measurement Depends on Careful Calibration.