●FEATURES: Refractometer Brix Refractometer is Built-in automatic temperature compensation (ATC) system from 10 to 30 Degree.1.000~1.130 specific gravity scale for wort. ●CONVENIENT TO FOCUS THE SCALE: Digital Handheld Refractometer equipped with a manual calibration knob, you can rotate it to focus the scale. ●COMFORT VIEWING: The sugar tester adopt soft eyepiece, gives you great comfort while viewing. ●USED FOR: The Brix Refractometer is ideal for Home Brew, Agricultural, Gardening & Educational Purposes, sugar content. ●CONVENIENT TO CARRY: Handheld Brix Refractometer is compact in size and light in weight, convenient to keep up and carry around.