The functions of the POS machine mainly have the following purposes:
1. Collection: The POS machine can accept payment through credit card and debit card, which is convenient for merchants to realize sales and collection.
2. Pre-authorization: The POS machine can realize the pre-authorization of the customer's credit line, so as to confirm the customer's payment ability when needed.
3. Check the balance: POS machine can check the balance of the customer's card to ensure the security of the transaction.
4. Transaction records: POS machines can record transaction information, which is convenient for merchants to manage transaction information and conduct data analysis.
5. Report generation: POS machine can generate reports, which is convenient for merchants to manage sales and payment.
6. Security protection: POS machines have advanced security measures to protect customers' information and funds.
These are the main functions and uses of POS machines that can help merchants better manage transactions and collect payments.
