With the continuous development of the market and changes in consumer demand, a series of emerging retail industries such as large supermarkets, convenience stores, and specialty stores have developed rapidly. At the same time, a series of problems have also arisen, such as long queue time, slow cashier, the shopping affecting experience, etc. To solve this problem, SUNLUX, as a manufacturer with 15 years of experience in the development and production of bar code solution, recommends the following products to improve efficiency and improve customer satisfaction.