Retail scale is designed to be used for commercial purpose. These scales have a price computing program which makes this kind of scale exclusive. Retail scales usually have three displays for vendor and three displays for the client. The first display shows the mass of the portion, the second display shows the price of 1 kg of the particular product and the third display shows the product price of the particular portion. All the trade balances should be verified and should have the CE Declaration of Conformity.