1. Instant scanning and transmission, strong anti-interference, rapid identification 2. Solid casing, shock-resistant and drop-resistant 3. Plug-and-play, simply plug into the computer USB interface for use 4. Applicable in multiple scenarios, suitable for mobile payment, supermarkets, logistics and courier tracking numbers 5. Functions: barcode recognition, printing 6. Decoding capability: wired red light: paper + screen barcodes; wired laser: paper barcode; wired 2D: paper + screen barcode + QR code
