Turn the focus adjustment Applicable: Sugar Content Measurement Packing Included 1 x Refractometer 1 x Mini-screwdriver 1 x Pipette 1 x Wiping cloth 1 x English Instruction manual 1 x Plastic Case Made in China Description This ATC Brix Refractometer comes with a measuring range of 0 to 32%. It is designed with automatic temperature compensation for measuring the sugar content of wine, chemicals, etc., and is used to measure corrosive liquids. It has high-quality optics with smooth focusing. Its main body is made of aluminum alloy, which is very durable and ensures long use. This Refractometer is easy to carry and does not require any batteries to operate.