Features: There are 4 styles, 100/200/300/500g, choosing based on your needs. High precision sensors make sure the accurate weighing. 6 weigh modes available - g/ oz/ gn/ ct/ dwt/ ozt. With protective lid and pocket design, this mini scale is durable and convenient for many of your weighing needs - food, for pill, jewelry, gold, powder, gem, coins. This pocket jewelry scale is fast and easy to tare and calibrate with the 100g weight. The pocket-size and light weight of digital mini scale is easy to storage. Specifications: Material: ABS+Metal Size: approx 133x82x16.8mm/25.24x3.2x0.66in Type: 100/200/300/500g(optional) Power: 2xAAA battery Operating environment: 10 ℃ to 30 ℃ Unit selection: g/ oz/ gn/ ct/ dwt/ ozt. Low power alarm function (LO). Clock temperature (Fahrenheit, Celsius) display function, calculator/weighing/counting/pricing function Package Includes: 1x Pocket Scale note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.