What kind of equipment will let me sell vouchers online that can be checked and redeemed in store?

Im looking to have a website that sells voucher codes. These codes are redeemed at the point of sale. What kind of device do I need at the POS to do this? I know there is one that allows you to check the code and then print a receipt off for the till. Does anyone know what this is called?

Thanks

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One Response to “What kind of equipment will let me sell vouchers online that can be checked and redeemed in store?”

  1. Malaya says:

    Use Groupon

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