The owners and managers of a bar must, at all times, be aware of certain information about their patrons. Most importantly, they need to be aware of their age. This is because it is illegal to serve or sell alcohol to individuals who are considered to be below the legal drinking age. A bar can be sued and have its license canceled for selling age-restricted products like alcohol and tobacco to minors, even if the sale was made unintentionally. To avoid the risk of inadvertently selling age-restricted products to minors, bar owners and managers can make a smart investment in portable ID scanners. ID scanner for bars help ensure that all customers purchasing these products are of legal age, thereby protecting the establishment from potential lawsuits and the risk of having its license canceled.