Feature:Four weighing units including Kg, OZ, Lb and JIN; Capacity: 10g-40kgs; Power supply:2pcs AAA battery(included); Auto power off; Instructions included; Wonderful Tool to use in kitchen, family, shop, Super Market, fishing, luggage, indoor, outdoor, etc. Size:20.5x7cm(Total), Ring:dia.3.5cm, Hook:4.4x2.4cm, Scale:11.5x7x2.4cm, Screen:3.2x2cm