Standard Pack = 1 piece(s). Platform Size (LxW) = 21.7 in x 16.5 in; Maximum Capacity = 300 lb; Readability = 0.02 lb; Readability (Certified) = 0.1 lb; Power = AC Power, Rechargeable Battery, 6 C (LR14) Batteries (Batteries not Included); Battery Life(Rechargeable Battery) = 35 Hours; Battery Life(Disposable Batteries) = 80 Hours; Second Scale Input = Yes; Working Environment = 14