Features 1、Small and accurant refractive index is manufactured through different refractive index of liquid. 2、Convenient for your use, refractometer supports simple and easy-to-understand operation method. 3、Fit for most liquid sugar test, brix meter keeps wide range of application, easy to use. 4、Practical adoptability helps refractometer's high quality can keep its high performance for a long time. 5、Refractometer is compact in size and light in weight, convenient to keep up and carry around. Specification Item Type: Refractometer Model: RHB-10ATC Sugar Test Range: 0-10% Measurement Accuracy: 0.1% Material: Aluminum Automatic Temperature Compensation (ATC): 10℃~30℃ (50℉~86℉) Package List 1 x Refractometer 1 x Dropper 1 x Screwdriver 1 x User Manual 1 x Cloth(color random)