The scale is capable of weighing in various measures. Includes all necessary unit measurements for easy weight translations, convert measurement between in g, oz., Ct., Ozt., Dwt and gn in seconds. Designed with a stainless steel platform and protective cover, this scale is a lightweight and compact solution for all your portable weighing tasks. This scale has an accuracy of one thousandth of a gram (0.001g) so it is extremely precise. Built with a high precision sensor system, the pocket scale provides you with instant and accurate results from 0.01g to 20g. Although your scale will arrive calibrated, we have included two 10g calibration weights. If you notice any inaccuracies in your scale during the entire period of use, simply use those weights and follow the instructions to recalibrate them so you can continue to use your scale accurately Jewelry scales alert users to low battery power, overcharging, and irregular surface placement. Automatic shutdown after 30 seconds of inactivity, helping to conserve battery power and efficiency. Product description Features Capacity: 20g Readability: 0.001g Scale size: 76 x 127 x 19mm Platform size: 1.3 " Power: 2 AAA batteries (Included) Calibration: 2 x 10g The precision does not get more precise with this scale The Digital Milligram scale is one of the most accurate weighing tools on the market. From drugs to gemstones, this versatile scale will meet all of your weight measurement needs. It is equipped with high precision sensors which give precise measurement in 0.001 gram increments. We've got you covered The scale has several measurement modes that will surely meet your needs. Includes: g / oz / ct / ozt / dwt / gn. The convenient tare function allows you to get the net weight of a product you are weighing. The tare function is perfect for using the pan. Simply place the pan on the scale, press tare, then add the items you are trying to weigh. Package included 1 x high precision digital scale 1 x weighing pan 1 x tweezers 2 x 10g calibration weight 2 x AAA batteries