Smart Weigh Ultra Slim Jewel Digital Pocket Scale with Tweezers and Calibration Weight, 20g x 0.001g Capacity, Black Design-The Smart Weigh Digital Scale was crafted to be sleek, lightweight,compact and portable Features:Add-up function to weigh a few single items, the scale will add up the total weight measurements Modes-This Pocket Scale includes all the necessary unit measurements: g, ct, gn, and dwt and a tare mode for net determination. Precision-No guessing this scale is manufactured with high precision sensors to provide the most accurate and consistent weight readings. The backlit LCD Display will make measurements easy to read. Includes-A set of tweezers and two 10 g calibration weights are included for accurate recalibration