... 2.communication power supply 3. count function 4.automatic calibration Electronic balance• weighing specification: 200 g / 0.01 g• digital green light ... %Accessories set: electronic balance host 1, specifications, credit assure card, certification, a, ChengPan one, the external power supply a,Precision 0.01 g ... products, to ensure that the products are precise. 0.01g Electronic Balance