The large window can be scanned at will/supports code scanning and invoicing/screen can be scanned. Independent research and development of the core algorithm, faster decoding, no need to hold hands, free your hands, and make your work more efficient. It has a one-time pass rate in the scanning of commodity linear barcodes, and it can also help retailers solve the growing number Barcode reading needs without the need for additional scanners. It can read printed one-dimensional codes and digital one-dimensional codes, screen two-dimensional codes, and PDF barcodes. Easily read one-dimensional and two-dimensional codes on the mobile phone screen to bring you an efficient cash register experience, and scan one-click invoicing to automatically enter invoices without error. Compared with traditional laser scanning, the recognition range is wider and the speed is faster.