A. [Upgraded Electronic Scale] This electronic scale features an ABS plastic casing, a stainless - steel weighing pan, and high - precision sensors, providing good stability. Its waterproof design enables usage in various places. B. [6 Units of Measurement] This scale is equipped with 6 units of measurement, which can meet requirements for weighing different types of food. They are: grams (g), [The unit is missing in the original text], troy ounces (ozt), [The unit is missing in the original text], carats (ct), and grains (gn). C. [Long Lifespan] This pocket scale has a mirror - like sticker on its surface. Water and dust are less likely to enter the buttons and the display. It can be used in different locations. D. [Convenient to Use] The electronic scale comes with tweezers, and the stainless - steel weighing pan is equipped with a transparent protective cover (the back of the protective cover can serve as a tray). The tare function makes food measurement more hygienic and convenient. The automatic shutdown and adjustable shutdown time offer worry - free usage. E. [Portable and Easy to Store] The scale is lightweight and compact, saving space in the kitchen. It can be used during professional health - care processes or when traveling. Color: Black Material: Plastic + Metal Dimensions: 14 x 8.4 x 2.3 cm Contents of the Package: 1 pocket scale 2 AAA batteries 1 50 - gram calibration weight Only the above items are included in the package, and other products may not be included. Note: Light and different displays may cause slight differences between the color of the item in the picture and the actual product. The allowable measurement error is +/- 1 - 3 cm.