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Barcode scanners are light sending out devices that are utilized to check out barcodes. Often affixed to a computer or laptop computer by means of PS2 or RS-232, the data collected is saved on a computer system for processing or storage space. It is now used in various markets such as retail or production. Are you a little retail company owner trying to find a means to accelerate the hesitating time of your customers when they go to the cashiers? Then POS barcode scanners can aid you keeping that.