Accuteck Heavy Duty Postal Shipping Scale with Extra Large Display, Batteries and AC Adapter (A-ST45C) Weigh up to 45lb/20kg with 0.2oz/5g Graduation Read in g/kg, lb./oz. (i.e. 1kg20g, 2lb3oz) Larger platform than most postal scales with Extra large display & Press Key Auto Zero and Auto Power off Ac adapter and 9V Battery included