I used this for about a week and then stored it. I think it's in relatively good condition, but please only purchase if you understand that it is a used item. ● Digits: 12 ● Memory: 2 ● Power Source: T・W・P (Solar cell and auxiliary battery) ● Number of Batteries: 1 ● Size (Depth x Width x Height) mm: 176.5 x 17 x 24.6 ● Weight (g): 18 Functions: Tax calculation Calculation status display Key rollover function (fast input function) 3-digit comma separator display