The NLS-OY20 handheld barcode scanner can quickly read 1D & 2D barcodes on paper/screen. The product has good one-dimensional & two-dimensional low-quality barcode reading performance, low power consumption, rich interfaces, and good cost performance. It is suitable for O2O payment, O2O card and coupon verification, invoicing and inventory management of jewelry and chain department stores, ticket management of banks and securities, and automated office management.