Please take a look at our add-ons available when purchasing a vending machine. if you don't see what your looking for or have any questions, give us a call and a sales representative will be glad to assist you. Please note: Some machines are not able to add on all of the available options due to the limitations of technology that varies from different models. Feel free to call with questions or use our chat box. If there are any issues with your order, in regards to compatibility, a representative will be in contact with you.