ESL price tag is an innovative electronic label designed for the retail industry. It can not only replace traditional paper price tags, but also has many practical functions. First of all, ESL price tag can realize real-time price update. By connecting with the retail management system, the merchant can easily update the price and promotion information of the product, which is reflected on the label in real time. This eliminates the hassle of manually changing price tags and avoids price confusion due to human error. Secondly, ESL price tag provides more information display space. Merchants can display more details of the product on the label, such as brand, model, origin, etc. This allows consumers to understand products more clearly and make more accurate choices when shopping. In addition, the ESL price tag can also provide a personalized shopping experience. It can display personalized promotional information or coupons according to consumers’ preferences to stimulate consumers’ desire to buy. The use of the ESL price tag also brings environmental benefits. Since it is reusable and does not require paper labels, it reduces paper waste and is more environmentally friendly. In a word, ESL price tag is an innovative weapon in the retail industry, providing a fast, convenient, personalized and environmentally friendly price tag solution. It not only improves the operational efficiency of merchants, but also improves the shopping experience of consumers.