Multifunctional Design: Unlike refractometers, with digital refractometer you can measure the sugar content of fruits, juices and liquids, and salinity, brewing, urea, easier and faster.High Precision: sugar brix refractometer delivers high precision measurements within seconds, featuring test range of 55%, precision +/- 0.01%, and resolution of +/-0.05%.Digital OLED Display: refractometer features a OLED display that ensures easy-reading also indicates other useful information such as brix levels, battery level, temperature or refraction .-Friendly Design: The brix meter refractometer is and easy to operate also intuitive,it allows you to save and share the data on your app. The rechargeable design ensures fast charging in 1 hour that will last up to 30 (not continuous use).Wide Range of Applications: The digital refractometer is IP67 waterproof, drop-resistant and can be used by producers, employees or analysts to test the sugar level of fruits, foods, liquids, beverages, and vegetables, salinity, brewing, urea.TIPS: kindly make that it is calibrated measurement.Material:ABScolour: As shownPackage Contents:1 x coffee refractometer Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.