The MEI® CASHFLOW® 4-in-1 validator adds the capability of contactless technology to traditional swipe credit/debit card, bill and coupon acceptance. MEI built on its successful Combo Acceptor product to create an innovative solution designed to provide maximum benefit for vending and amusement operators. This integration of transaction methods in one product offers consumers the broadest choice in payment options. Please note that the MEI bezel must be connected to an additional device for processing credit cards. Please contact MEI for further information at 1-800-345-8215.