Description GM810 series have GM810-S and GM810-L model.The only difference between GM810-S and GM810-L is the lens.GM810-S lens reading distance is 5-30cm.GM810-L lens reading distance is 7-50cm.(The ...View More
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GROW GM810 Series DC5V 1D/2D QR Barcode Scanner Module USB/UART Interface For Arduino Windows Desktop Mobile Payment Reader