Product details:

A/C adapter (included) or 6 AA batteries (not included) for portability. Cord from scale to display is 7 feet long. 16 x 14 inch weighing platform. Easily calibrated using household objects or test weights. (We have videos showing how easy it is). Large LCD digits on indicator for easy read outs. Automatic on/off feature. (Stays on or turns off automatically, selectable) Automatic back light feature (Selectable). Hold feature. (Will hold the displayed weight after package is removed from scale). Anycal software installed. This software allows you to calibrate your scale with any known weight LB or KG, no test weights needed.