YJD30 （1D/2D/QR/GS1 Barcode )：Recommend, have strong recognition performance: can easily decode most of 1D&2D barcodes, matrix codes, stacked codes. Compatible with multiple systems: Linux, Android, Windows XP, Win 7, Win 8, Win 10, MacOS.

A20-SR(1D/2D):A20-SR is a high performance 2D barcode scanning engine, which relies on powerful industrial decoding algorithm and excellent optical design, and is capable of reading all kinds of complex barcodes in almost any application scenario.

YJD700 (1D/2D/QR) : Can scan barcodes quickly and continuously；Adopting the self-developed fifth generation UIMG core decoding technology, it can quickly decode barcodes of various qualities.