PS-IDS6002 balance scale is a simple but reliable balance can be used in labs and schools. It comes with 13 weighing units and they are lockable in program. It can also be used as a precise counting scale for small items. Features: Capacity: 600 x 0.01g Large LCD display with back light Selectable modes: weight, unit count and percentage Units: g, oz, ct, lb, ozt, dwt, dr, gn, mm, tl.J, tl. T(g/m2), tl.H, t(oz/yd2) Weighing units lockable (programmable) Quick response and stability Programmable zero tracking Powered by AC / DC adapter (included) or 4 dry cells Semi-automatic calibration. External weight Draft shield included Scale Size: 8' x 8' x 8'