Ingenico is one of the fastest growing terminal manufactures in the industry today. They offer a wide range of credit card terminals. Their page has detailed information on the terminals that they offer including the functions and features of each. Total Merchant Services offers both the Ingenico iCT220 and the iWL255 terminals. You can find detailed information on the terminals so that when you are talking with a merchant you can educated them on the extensive features that benefit thier business.
Click on a terminal image for more information on a specific unit: