The invention relates to a device to be used for the sale of goods in a store. Said device comprises a unit for generating goods-related signals, a unit for generating identification signals, which represent the type of the goods to be sold, and comprises a display unit for generating a visual representation of information contents that are determined on the basis of the goods-related signals and/or identification signals. For generating a visual representation, the invention provides that the sales device is operated by quantity information that represents the present quantity of the goods of the type indicated by the identification signals.