Features: 1.It is a refractometer,designed to test beer content with brix measuring range:0~32% and wort measuring range 1.000~1.130sg. 2.Easy to focus & calibrate,accurate and reliable. 3.Lightweight and portable Al and rubber material, easy to use and carry. 4.Built-in ATC (Automatic Temperature Compensation). 5.Durable and have a long life. Description: 1.Lightweight and portable, easy to carry. 2.Ergonomic design with anti-slip rubber plate,convenient to use. 3.Widely used for scientific research,beer producing,beer retailer,beer industry etc. Specification: Color: black Measuring range: Brix: 0~32% Wort SG: 1.000~1.130sg Resolution: Brix: 0.2%; Wort SG: 0.001 Automatic Temperature Compensation:yes Size:170 x 40 x 40mm Weight:95g Package Information: Package Size: 205 x 83 x 53mm/8.07 x 3.27 x 2.09in Package Weight:234g/8.24oz Plastic Box Package Package Included: 1 x Refractometer 1 x Mini screw driver 1 x Pipette 1 x Cloth 1 x User Manual 1 x Carry Box