The Elite POS module integrates with the Opera system to retrieve sales ledger information, product details, stock levels, and pricing. This allows the tills to operate both online and offline, even in case of network or internet disruptions. With this information, the EPoS can perform various tasks such as sales and refunds, customer account and product inquiries, account payments, and more. These transactions are instantly transmitted back to Opera and processed as Sales Invoices, Stock Movements, and Cash Book Postings. If necessary, transactions can also be grouped into summarized postings, such as daily summaries, for Opera to process.