MEI Mars Validator 4-IN-1 PART NO:250065293 VENDING MACHINE CREDIT CARD READER This will fit on the front of any MEI Mars 2,000 series validator or bill acceptor. This credit card reader swiper will talk to any back end telemetry processing device. This device will not process payments on its own you need a connected telemetry device to communicate with a network. Used in good shape tested working.
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