Precise Enough: 0.001g accurate and 3000g range of maximum weight value can meet your needs for maximum precision weight. For example, powders, diamonds, herbs, reagents, tablets, etc. 7 different measurements: enough units (mg, g, oz, ozt, dwt, ct, gn) to convert at the touch of a button. The new update adds mg units to prepare you for weighing smaller items. No more annoying number crunching conversions Easy Calibration:2 20 g weights in the body of the scale, which allows you to calibrate at any time without having to search for the right weight. An advance on the traditional calibration method, in a few simple steps. (Please refer to the manual for the exact steps) To make your use as comfortable as possible. Perfect Design: We got rid of the old style and recreated this mini scale with a perfect color combination. The scale's stainless steel + plastic body and windproof removable clear cover are both beautiful and functional.