MG66 Bar Code Scanner Module Serial & USB
MG66 Bar code reader module is a high performance scanner, can read 1D barcode easily and read 2D barcode with highspeed. It also wins high scan speed for linear code, even for barcode on paper or screen.
work with Arduino via Rx pin of arduino connected to TXD of Scanner
also can work with computer or raspberry pi via USB cable
for more info see the datasheet