The Barcode Scanner Module (E) is a barcode and QR code scanning module. Leveraging intelligent image recognition algorithms, it can quickly and accurately read 1/2/3D codes and for DPM codes on paper and PCBs. It is compatible with various barcode formats, including for DotCode and for DM. High-precision, high-speed, and high-contrast reading advantages. Onboard USB and UART dual interfaces allow for direct connection to a computer or integration into various embedded devices. Support for diverse barcode types: Compatible with various industrial substrates, including metal engravings and PCB engravings, it easily scans industrial-specific barcodes such as for DotCode and for DM. Multiple reading modes: Supports manual button triggering, automatic continuous scanning, and automatic induction scanning. Color: Blue Material: PCB Package Contents: 1 * Barcode Scanner Module 1 * Connecting Wires Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.