Precision Balance 20g 0.001g, Pocket Scale, Precision Jewelry Scale, Tare Function, CalibrationFeatures 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 Precision doesn't get any more precise with this scale! The Digital Milligram scale is one of the most accurate weighing tools on the market. From drugs to precious stones, This versatile scale will meet all your weight measurement needs. It is equipped with high-precision sensors that give an accurate measurement in 0.001 gram increments. We got you The scale has multiple measurement modes that will meet your needs. Includes: g / oz / ct / ozt / dwt / gn. Convenient tare function allows you to get the net weight of a product that you weigh. 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 Clamp crush 2 x 10g calibration weight 2 x AAA batteries